Home / 10,431,032.60-15,646,548.90-6,604,657.40

Finding the Fourth Proportional to 10,431,032.60, 15,646,548.90 and 6,604,657.40

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Solution

The fourth proportional to 10,431,032.60, 15,646,548.90 and 6,604,657.40 is: 9,906,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431,032.60 : 15,646,548.90 = 6,604,657.40 : x
  2. Step 2: Convert to fraction form
    10,431,032.60/15,646,548.90 = 6,604,657.40/x
  3. Step 3: Cross multiply
    10,431,032.60x = 15,646,548.90 × 6,604,657.40
  4. Step 4: Simplify right side
    10,431,032.60x = 103,340,094,976,846.88
  5. Step 5: Solve for x
    x = 103,340,094,976,846.88/10,431,032.60
  6. Step 6: Final answer
    x = 9,906,986.10

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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.