Home / 13,019,240.20-17,967,616.18-7,219,841.08

Finding the Fourth Proportional to 13,019,240.20, 17,967,616.18 and 7,219,841.08

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Solution

The fourth proportional to 13,019,240.20, 17,967,616.18 and 7,219,841.08 is: 9,963,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,240.20 : 17,967,616.18 = 7,219,841.08 : x
  2. Step 2: Convert to fraction form
    13,019,240.20/17,967,616.18 = 7,219,841.08/x
  3. Step 3: Cross multiply
    13,019,240.20x = 17,967,616.18 × 7,219,841.08
  4. Step 4: Simplify right side
    13,019,240.20x = 129,723,333,406,036.67
  5. Step 5: Solve for x
    x = 129,723,333,406,036.67/13,019,240.20
  6. Step 6: Final answer
    x = 9,963,971.12

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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.