Home / 10,656,009.60-15,984,014.40-7,065,830.40

Finding the Fourth Proportional to 10,656,009.60, 15,984,014.40 and 7,065,830.40

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Solution

The fourth proportional to 10,656,009.60, 15,984,014.40 and 7,065,830.40 is: 10,598,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,009.60 : 15,984,014.40 = 7,065,830.40 : x
  2. Step 2: Convert to fraction form
    10,656,009.60/15,984,014.40 = 7,065,830.40/x
  3. Step 3: Cross multiply
    10,656,009.60x = 15,984,014.40 × 7,065,830.40
  4. Step 4: Simplify right side
    10,656,009.60x = 112,940,334,861,557.77
  5. Step 5: Solve for x
    x = 112,940,334,861,557.77/10,656,009.60
  6. Step 6: Final answer
    x = 10,598,745.60

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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.