Home / 20,710,985.40-31,066,461.69-5,564,916.90

Finding the Fourth Proportional to 20,710,985.40, 31,066,461.69 and 5,564,916.90

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Solution

The fourth proportional to 20,710,985.40, 31,066,461.69 and 5,564,916.90 is: 8,347,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,985.40 : 31,066,461.69 = 5,564,916.90 : x
  2. Step 2: Convert to fraction form
    20,710,985.40/31,066,461.69 = 5,564,916.90/x
  3. Step 3: Cross multiply
    20,710,985.40x = 31,066,461.69 × 5,564,916.90
  4. Step 4: Simplify right side
    20,710,985.40x = 172,882,277,681,883.59
  5. Step 5: Solve for x
    x = 172,882,277,681,883.59/20,710,985.40
  6. Step 6: Final answer
    x = 8,347,370.94

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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.