Home / 20,710,985.15-31,066,461.31-5,564,916.65

Finding the Fourth Proportional to 20,710,985.15, 31,066,461.31 and 5,564,916.65

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Solution

The fourth proportional to 20,710,985.15, 31,066,461.31 and 5,564,916.65 is: 8,347,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,985.15 : 31,066,461.31 = 5,564,916.65 : x
  2. Step 2: Convert to fraction form
    20,710,985.15/31,066,461.31 = 5,564,916.65/x
  3. Step 3: Cross multiply
    20,710,985.15x = 31,066,461.31 × 5,564,916.65
  4. Step 4: Simplify right side
    20,710,985.15x = 172,882,267,772,775.25
  5. Step 5: Solve for x
    x = 172,882,267,772,775.25/20,710,985.15
  6. Step 6: Final answer
    x = 8,347,370.56

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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.