Home / 13,612,073.70-20,418,110.55-12,124,038.90

Finding the Fourth Proportional to 13,612,073.70, 20,418,110.55 and 12,124,038.90

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Solution

The fourth proportional to 13,612,073.70, 20,418,110.55 and 12,124,038.90 is: 18,186,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,073.70 : 20,418,110.55 = 12,124,038.90 : x
  2. Step 2: Convert to fraction form
    13,612,073.70/20,418,110.55 = 12,124,038.90/x
  3. Step 3: Cross multiply
    13,612,073.70x = 20,418,110.55 × 12,124,038.90
  4. Step 4: Simplify right side
    13,612,073.70x = 247,549,966,572,700.41
  5. Step 5: Solve for x
    x = 247,549,966,572,700.41/13,612,073.70
  6. Step 6: Final answer
    x = 18,186,058.35

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1.5x scale

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.