Home / 20,702,976.29-31,060,225.55-9,032,368.93

Finding the Fourth Proportional to 20,702,976.29, 31,060,225.55 and 9,032,368.93

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Solution

The fourth proportional to 20,702,976.29, 31,060,225.55 and 9,032,368.93 is: 13,551,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,976.29 : 31,060,225.55 = 9,032,368.93 : x
  2. Step 2: Convert to fraction form
    20,702,976.29/31,060,225.55 = 9,032,368.93/x
  3. Step 3: Cross multiply
    20,702,976.29x = 31,060,225.55 × 9,032,368.93
  4. Step 4: Simplify right side
    20,702,976.29x = 280,547,416,136,143.50
  5. Step 5: Solve for x
    x = 280,547,416,136,143.50/20,702,976.29
  6. Step 6: Final answer
    x = 13,551,066.87

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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.