Home / 28,975,095.30-43,462,642.95-8,777,712.90

Finding the Fourth Proportional to 28,975,095.30, 43,462,642.95 and 8,777,712.90

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Solution

The fourth proportional to 28,975,095.30, 43,462,642.95 and 8,777,712.90 is: 13,166,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975,095.30 : 43,462,642.95 = 8,777,712.90 : x
  2. Step 2: Convert to fraction form
    28,975,095.30/43,462,642.95 = 8,777,712.90/x
  3. Step 3: Cross multiply
    28,975,095.30x = 43,462,642.95 × 8,777,712.90
  4. Step 4: Simplify right side
    28,975,095.30x = 381,502,601,690,309.12
  5. Step 5: Solve for x
    x = 381,502,601,690,309.12/28,975,095.30
  6. Step 6: Final answer
    x = 13,166,569.35

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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.