Home / 20,219,509.60-30,329,264.40-13,417,064.80

Finding the Fourth Proportional to 20,219,509.60, 30,329,264.40 and 13,417,064.80

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Solution

The fourth proportional to 20,219,509.60, 30,329,264.40 and 13,417,064.80 is: 20,125,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,509.60 : 30,329,264.40 = 13,417,064.80 : x
  2. Step 2: Convert to fraction form
    20,219,509.60/30,329,264.40 = 13,417,064.80/x
  3. Step 3: Cross multiply
    20,219,509.60x = 30,329,264.40 × 13,417,064.80
  4. Step 4: Simplify right side
    20,219,509.60x = 406,929,705,791,133.12
  5. Step 5: Solve for x
    x = 406,929,705,791,133.12/20,219,509.60
  6. Step 6: Final answer
    x = 20,125,597.20

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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.