Home / 7,341,029.60-10,989,771.60-5,456,127.20

Finding the Fourth Proportional to 7,341,029.60, 10,989,771.60 and 5,456,127.20

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Solution

The fourth proportional to 7,341,029.60, 10,989,771.60 and 5,456,127.20 is: 8,168,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,029.60 : 10,989,771.60 = 5,456,127.20 : x
  2. Step 2: Convert to fraction form
    7,341,029.60/10,989,771.60 = 5,456,127.20/x
  3. Step 3: Cross multiply
    7,341,029.60x = 10,989,771.60 × 5,456,127.20
  4. Step 4: Simplify right side
    7,341,029.60x = 59,961,591,748,547.52
  5. Step 5: Solve for x
    x = 59,961,591,748,547.52/7,341,029.60
  6. Step 6: Final answer
    x = 8,168,008.44

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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.