Home / 13,690,123.14-18,892,592.74-7,495,065.30

Finding the Fourth Proportional to 13,690,123.14, 18,892,592.74 and 7,495,065.30

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Solution

The fourth proportional to 13,690,123.14, 18,892,592.74 and 7,495,065.30 is: 10,343,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,123.14 : 18,892,592.74 = 7,495,065.30 : x
  2. Step 2: Convert to fraction form
    13,690,123.14/18,892,592.74 = 7,495,065.30/x
  3. Step 3: Cross multiply
    13,690,123.14x = 18,892,592.74 × 7,495,065.30
  4. Step 4: Simplify right side
    13,690,123.14x = 141,601,216,272,605.91
  5. Step 5: Solve for x
    x = 141,601,216,272,605.91/13,690,123.14
  6. Step 6: Final answer
    x = 10,343,312.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.