Home / 20,710,984.90-31,066,460.94-5,564,916.40

Finding the Fourth Proportional to 20,710,984.90, 31,066,460.94 and 5,564,916.40

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Solution

The fourth proportional to 20,710,984.90, 31,066,460.94 and 5,564,916.40 is: 8,347,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,984.90 : 31,066,460.94 = 5,564,916.40 : x
  2. Step 2: Convert to fraction form
    20,710,984.90/31,066,460.94 = 5,564,916.40/x
  3. Step 3: Cross multiply
    20,710,984.90x = 31,066,460.94 × 5,564,916.40
  4. Step 4: Simplify right side
    20,710,984.90x = 172,882,257,974,965.44
  5. Step 5: Solve for x
    x = 172,882,257,974,965.44/20,710,984.90
  6. Step 6: Final answer
    x = 8,347,370.19

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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.