Home / 8,728,758.90-12,045,213.67-4,807,752.21

Finding the Fourth Proportional to 8,728,758.90, 12,045,213.67 and 4,807,752.21

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Solution

The fourth proportional to 8,728,758.90, 12,045,213.67 and 4,807,752.21 is: 6,634,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,758.90 : 12,045,213.67 = 4,807,752.21 : x
  2. Step 2: Convert to fraction form
    8,728,758.90/12,045,213.67 = 4,807,752.21/x
  3. Step 3: Cross multiply
    8,728,758.90x = 12,045,213.67 × 4,807,752.21
  4. Step 4: Simplify right side
    8,728,758.90x = 57,910,402,641,864.71
  5. Step 5: Solve for x
    x = 57,910,402,641,864.71/8,728,758.90
  6. Step 6: Final answer
    x = 6,634,437.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.