Home / 12,477,809.60-18,700,407.12-9,031,154.48

Finding the Fourth Proportional to 12,477,809.60, 18,700,407.12 and 9,031,154.48

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Solution

The fourth proportional to 12,477,809.60, 18,700,407.12 and 9,031,154.48 is: 13,534,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,809.60 : 18,700,407.12 = 9,031,154.48 : x
  2. Step 2: Convert to fraction form
    12,477,809.60/18,700,407.12 = 9,031,154.48/x
  3. Step 3: Cross multiply
    12,477,809.60x = 18,700,407.12 × 9,031,154.48
  4. Step 4: Simplify right side
    12,477,809.60x = 168,886,265,539,611.91
  5. Step 5: Solve for x
    x = 168,886,265,539,611.91/12,477,809.60
  6. Step 6: Final answer
    x = 13,534,928.88

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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.