Home / 10,657,866.60-15,986,799.90-7,256,644.20

Finding the Fourth Proportional to 10,657,866.60, 15,986,799.90 and 7,256,644.20

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Solution

The fourth proportional to 10,657,866.60, 15,986,799.90 and 7,256,644.20 is: 10,884,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,866.60 : 15,986,799.90 = 7,256,644.20 : x
  2. Step 2: Convert to fraction form
    10,657,866.60/15,986,799.90 = 7,256,644.20/x
  3. Step 3: Cross multiply
    10,657,866.60x = 15,986,799.90 × 7,256,644.20
  4. Step 4: Simplify right side
    10,657,866.60x = 116,010,518,770,895.58
  5. Step 5: Solve for x
    x = 116,010,518,770,895.58/10,657,866.60
  6. Step 6: Final answer
    x = 10,884,966.30

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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.