Home / 8,101,124.11-12,154,347.02-3,312,840.70

Finding the Fourth Proportional to 8,101,124.11, 12,154,347.02 and 3,312,840.70

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Solution

The fourth proportional to 8,101,124.11, 12,154,347.02 and 3,312,840.70 is: 4,970,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,124.11 : 12,154,347.02 = 3,312,840.70 : x
  2. Step 2: Convert to fraction form
    8,101,124.11/12,154,347.02 = 3,312,840.70/x
  3. Step 3: Cross multiply
    8,101,124.11x = 12,154,347.02 × 3,312,840.70
  4. Step 4: Simplify right side
    8,101,124.11x = 40,265,415,489,779.71
  5. Step 5: Solve for x
    x = 40,265,415,489,779.71/8,101,124.11
  6. Step 6: Final answer
    x = 4,970,349.17

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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.