Home / 6,651,931.60-9,977,897.40-5,217,040.90

Finding the Fourth Proportional to 6,651,931.60, 9,977,897.40 and 5,217,040.90

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Solution

The fourth proportional to 6,651,931.60, 9,977,897.40 and 5,217,040.90 is: 7,825,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,931.60 : 9,977,897.40 = 5,217,040.90 : x
  2. Step 2: Convert to fraction form
    6,651,931.60/9,977,897.40 = 5,217,040.90/x
  3. Step 3: Cross multiply
    6,651,931.60x = 9,977,897.40 × 5,217,040.90
  4. Step 4: Simplify right side
    6,651,931.60x = 52,055,098,831,803.66
  5. Step 5: Solve for x
    x = 52,055,098,831,803.66/6,651,931.60
  6. Step 6: Final answer
    x = 7,825,561.35

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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.