Home / 18,960,707.71-28,429,104.14-10,447,022.89

Finding the Fourth Proportional to 18,960,707.71, 28,429,104.14 and 10,447,022.89

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Solution

The fourth proportional to 18,960,707.71, 28,429,104.14 and 10,447,022.89 is: 15,663,946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960,707.71 : 28,429,104.14 = 10,447,022.89 : x
  2. Step 2: Convert to fraction form
    18,960,707.71/28,429,104.14 = 10,447,022.89/x
  3. Step 3: Cross multiply
    18,960,707.71x = 28,429,104.14 × 10,447,022.89
  4. Step 4: Simplify right side
    18,960,707.71x = 296,999,501,774,026.31
  5. Step 5: Solve for x
    x = 296,999,501,774,026.31/18,960,707.71
  6. Step 6: Final answer
    x = 15,663,946.00

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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.