Home / 13,608,001.80-18,779,034.13-7,496,430.30

Finding the Fourth Proportional to 13,608,001.80, 18,779,034.13 and 7,496,430.30

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Solution

The fourth proportional to 13,608,001.80, 18,779,034.13 and 7,496,430.30 is: 10,345,069.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,001.80 : 18,779,034.13 = 7,496,430.30 : x
  2. Step 2: Convert to fraction form
    13,608,001.80/18,779,034.13 = 7,496,430.30/x
  3. Step 3: Cross multiply
    13,608,001.80x = 18,779,034.13 × 7,496,430.30
  4. Step 4: Simplify right side
    13,608,001.80x = 140,775,720,438,125.06
  5. Step 5: Solve for x
    x = 140,775,720,438,125.06/13,608,001.80
  6. Step 6: Final answer
    x = 10,345,069.21

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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.