Home / 28,136,033.46-38,827,726.18-15,258,977.46

Finding the Fourth Proportional to 28,136,033.46, 38,827,726.18 and 15,258,977.46

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Solution

The fourth proportional to 28,136,033.46, 38,827,726.18 and 15,258,977.46 is: 21,057,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,033.46 : 38,827,726.18 = 15,258,977.46 : x
  2. Step 2: Convert to fraction form
    28,136,033.46/38,827,726.18 = 15,258,977.46/x
  3. Step 3: Cross multiply
    28,136,033.46x = 38,827,726.18 × 15,258,977.46
  4. Step 4: Simplify right side
    28,136,033.46x = 592,471,398,603,671.88
  5. Step 5: Solve for x
    x = 592,471,398,603,671.88/28,136,033.46
  6. Step 6: Final answer
    x = 21,057,388.90

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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.