Home / 21,386,187.60-32,079,281.40-7,009,724.40

Finding the Fourth Proportional to 21,386,187.60, 32,079,281.40 and 7,009,724.40

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Solution

The fourth proportional to 21,386,187.60, 32,079,281.40 and 7,009,724.40 is: 10,514,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,187.60 : 32,079,281.40 = 7,009,724.40 : x
  2. Step 2: Convert to fraction form
    21,386,187.60/32,079,281.40 = 7,009,724.40/x
  3. Step 3: Cross multiply
    21,386,187.60x = 32,079,281.40 × 7,009,724.40
  4. Step 4: Simplify right side
    21,386,187.60x = 224,866,921,564,046.16
  5. Step 5: Solve for x
    x = 224,866,921,564,046.16/21,386,187.60
  6. Step 6: Final answer
    x = 10,514,586.60

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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.