Home / 10,532,620.80-15,798,931.20-8,832,009.60

Finding the Fourth Proportional to 10,532,620.80, 15,798,931.20 and 8,832,009.60

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Solution

The fourth proportional to 10,532,620.80, 15,798,931.20 and 8,832,009.60 is: 13,248,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532,620.80 : 15,798,931.20 = 8,832,009.60 : x
  2. Step 2: Convert to fraction form
    10,532,620.80/15,798,931.20 = 8,832,009.60/x
  3. Step 3: Cross multiply
    10,532,620.80x = 15,798,931.20 × 8,832,009.60
  4. Step 4: Simplify right side
    10,532,620.80x = 139,536,312,028,139.50
  5. Step 5: Solve for x
    x = 139,536,312,028,139.50/10,532,620.80
  6. Step 6: Final answer
    x = 13,248,014.40

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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.