Home / 19,938,864.42-29,908,294.20-4,792,795.92

Finding the Fourth Proportional to 19,938,864.42, 29,908,294.20 and 4,792,795.92

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Solution

The fourth proportional to 19,938,864.42, 29,908,294.20 and 4,792,795.92 is: 7,189,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,864.42 : 29,908,294.20 = 4,792,795.92 : x
  2. Step 2: Convert to fraction form
    19,938,864.42/29,908,294.20 = 4,792,795.92/x
  3. Step 3: Cross multiply
    19,938,864.42x = 29,908,294.20 × 4,792,795.92
  4. Step 4: Simplify right side
    19,938,864.42x = 143,344,350,415,919.66
  5. Step 5: Solve for x
    x = 143,344,350,415,919.66/19,938,864.42
  6. Step 6: Final answer
    x = 7,189,193.30

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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.