Home / 13,057,500.90-18,000,360.02-9,125,047.92

Finding the Fourth Proportional to 13,057,500.90, 18,000,360.02 and 9,125,047.92

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Solution

The fourth proportional to 13,057,500.90, 18,000,360.02 and 9,125,047.92 is: 12,579,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,500.90 : 18,000,360.02 = 9,125,047.92 : x
  2. Step 2: Convert to fraction form
    13,057,500.90/18,000,360.02 = 9,125,047.92/x
  3. Step 3: Cross multiply
    13,057,500.90x = 18,000,360.02 × 9,125,047.92
  4. Step 4: Simplify right side
    13,057,500.90x = 164,254,147,759,752.16
  5. Step 5: Solve for x
    x = 164,254,147,759,752.16/13,057,500.90
  6. Step 6: Final answer
    x = 12,579,294.39

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1.5x scale

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.