Home / 30,532,620.90-45,798,931.35-13,526,508.90

Finding the Fourth Proportional to 30,532,620.90, 45,798,931.35 and 13,526,508.90

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Solution

The fourth proportional to 30,532,620.90, 45,798,931.35 and 13,526,508.90 is: 20,289,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532,620.90 : 45,798,931.35 = 13,526,508.90 : x
  2. Step 2: Convert to fraction form
    30,532,620.90/45,798,931.35 = 13,526,508.90/x
  3. Step 3: Cross multiply
    30,532,620.90x = 45,798,931.35 × 13,526,508.90
  4. Step 4: Simplify right side
    30,532,620.90x = 619,499,652,516,264
  5. Step 5: Solve for x
    x = 619,499,652,516,264/30,532,620.90
  6. Step 6: Final answer
    x = 20,289,763.35

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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.