Home / 7,152,376.17-9,870,330.48-3,889,167.51

Finding the Fourth Proportional to 7,152,376.17, 9,870,330.48 and 3,889,167.51

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Solution

The fourth proportional to 7,152,376.17, 9,870,330.48 and 3,889,167.51 is: 5,367,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,376.17 : 9,870,330.48 = 3,889,167.51 : x
  2. Step 2: Convert to fraction form
    7,152,376.17/9,870,330.48 = 3,889,167.51/x
  3. Step 3: Cross multiply
    7,152,376.17x = 9,870,330.48 × 3,889,167.51
  4. Step 4: Simplify right side
    7,152,376.17x = 38,387,368,660,084.63
  5. Step 5: Solve for x
    x = 38,387,368,660,084.63/7,152,376.17
  6. Step 6: Final answer
    x = 5,367,079.10

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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.