Home / 15,788,717.76-21,788,957.68-9,675,965.28

Finding the Fourth Proportional to 15,788,717.76, 21,788,957.68 and 9,675,965.28

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Solution

The fourth proportional to 15,788,717.76, 21,788,957.68 and 9,675,965.28 is: 13,353,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788,717.76 : 21,788,957.68 = 9,675,965.28 : x
  2. Step 2: Convert to fraction form
    15,788,717.76/21,788,957.68 = 9,675,965.28/x
  3. Step 3: Cross multiply
    15,788,717.76x = 21,788,957.68 × 9,675,965.28
  4. Step 4: Simplify right side
    15,788,717.76x = 210,829,197,999,069.34
  5. Step 5: Solve for x
    x = 210,829,197,999,069.34/15,788,717.76
  6. Step 6: Final answer
    x = 13,353,155.16

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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.