Home / 10,865,812.40-16,298,718.60-6,561,140.30

Finding the Fourth Proportional to 10,865,812.40, 16,298,718.60 and 6,561,140.30

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Solution

The fourth proportional to 10,865,812.40, 16,298,718.60 and 6,561,140.30 is: 9,841,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,812.40 : 16,298,718.60 = 6,561,140.30 : x
  2. Step 2: Convert to fraction form
    10,865,812.40/16,298,718.60 = 6,561,140.30/x
  3. Step 3: Cross multiply
    10,865,812.40x = 16,298,718.60 × 6,561,140.30
  4. Step 4: Simplify right side
    10,865,812.40x = 106,938,179,444,819.58
  5. Step 5: Solve for x
    x = 106,938,179,444,819.58/10,865,812.40
  6. Step 6: Final answer
    x = 9,841,710.45

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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.