Home / 8,736,443.40-13,104,665.10-8,238,779.40

Finding the Fourth Proportional to 8,736,443.40, 13,104,665.10 and 8,238,779.40

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Solution

The fourth proportional to 8,736,443.40, 13,104,665.10 and 8,238,779.40 is: 12,358,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,443.40 : 13,104,665.10 = 8,238,779.40 : x
  2. Step 2: Convert to fraction form
    8,736,443.40/13,104,665.10 = 8,238,779.40/x
  3. Step 3: Cross multiply
    8,736,443.40x = 13,104,665.10 × 8,238,779.40
  4. Step 4: Simplify right side
    8,736,443.40x = 107,966,444,869,778.94
  5. Step 5: Solve for x
    x = 107,966,444,869,778.94/8,736,443.40
  6. Step 6: Final answer
    x = 12,358,169.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.