Home / 14,729,389.60-20,329,031.14-8,538,309.02

Finding the Fourth Proportional to 14,729,389.60, 20,329,031.14 and 8,538,309.02

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Solution

The fourth proportional to 14,729,389.60, 20,329,031.14 and 8,538,309.02 is: 11,784,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729,389.60 : 20,329,031.14 = 8,538,309.02 : x
  2. Step 2: Convert to fraction form
    14,729,389.60/20,329,031.14 = 8,538,309.02/x
  3. Step 3: Cross multiply
    14,729,389.60x = 20,329,031.14 × 8,538,309.02
  4. Step 4: Simplify right side
    14,729,389.60x = 173,575,549,950,522.88
  5. Step 5: Solve for x
    x = 173,575,549,950,522.88/14,729,389.60
  6. Step 6: Final answer
    x = 11,784,300.28

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1.5x scale

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.