Home / 10,725,280-14,799,347.20-6,312,382.72

Finding the Fourth Proportional to 10,725,280, 14,799,347.20 and 6,312,382.72

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Solution

The fourth proportional to 10,725,280, 14,799,347.20 and 6,312,382.72 is: 8,710,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725,280 : 14,799,347.20 = 6,312,382.72 : x
  2. Step 2: Convert to fraction form
    10,725,280/14,799,347.20 = 6,312,382.72/x
  3. Step 3: Cross multiply
    10,725,280x = 14,799,347.20 × 6,312,382.72
  4. Step 4: Simplify right side
    10,725,280x = 93,419,143,532,560.38
  5. Step 5: Solve for x
    x = 93,419,143,532,560.38/10,725,280
  6. Step 6: Final answer
    x = 8,710,182.25

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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.