Home / 55,576,358.18-83,304,750.15-21,019,407.15

Finding the Fourth Proportional to 55,576,358.18, 83,304,750.15 and 21,019,407.15

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Solution

The fourth proportional to 55,576,358.18, 83,304,750.15 and 21,019,407.15 is: 31,506,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576,358.18 : 83,304,750.15 = 21,019,407.15 : x
  2. Step 2: Convert to fraction form
    55,576,358.18/83,304,750.15 = 21,019,407.15/x
  3. Step 3: Cross multiply
    55,576,358.18x = 83,304,750.15 × 21,019,407.15
  4. Step 4: Simplify right side
    55,576,358.18x = 1,751,016,460,931,873.50
  5. Step 5: Solve for x
    x = 1,751,016,460,931,873.50/55,576,358.18
  6. Step 6: Final answer
    x = 31,506,498.78

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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.