Home / 8,878,559.50-12,254,459.56-5,208,655.03

Finding the Fourth Proportional to 8,878,559.50, 12,254,459.56 and 5,208,655.03

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Solution

The fourth proportional to 8,878,559.50, 12,254,459.56 and 5,208,655.03 is: 7,189,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,559.50 : 12,254,459.56 = 5,208,655.03 : x
  2. Step 2: Convert to fraction form
    8,878,559.50/12,254,459.56 = 5,208,655.03/x
  3. Step 3: Cross multiply
    8,878,559.50x = 12,254,459.56 × 5,208,655.03
  4. Step 4: Simplify right side
    8,878,559.50x = 63,829,252,452,399.13
  5. Step 5: Solve for x
    x = 63,829,252,452,399.13/8,878,559.50
  6. Step 6: Final answer
    x = 7,189,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.