Home / 13,659,095.16-18,849,545.10-7,547,470.20

Finding the Fourth Proportional to 13,659,095.16, 18,849,545.10 and 7,547,470.20

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Solution

The fourth proportional to 13,659,095.16, 18,849,545.10 and 7,547,470.20 is: 10,415,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,095.16 : 18,849,545.10 = 7,547,470.20 : x
  2. Step 2: Convert to fraction form
    13,659,095.16/18,849,545.10 = 7,547,470.20/x
  3. Step 3: Cross multiply
    13,659,095.16x = 18,849,545.10 × 7,547,470.20
  4. Step 4: Simplify right side
    13,659,095.16x = 142,266,379,925,806.03
  5. Step 5: Solve for x
    x = 142,266,379,925,806.03/13,659,095.16
  6. Step 6: Final answer
    x = 10,415,505.44

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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.