Home / 8,988,663.16-12,404,574.66-5,456,501.56

Finding the Fourth Proportional to 8,988,663.16, 12,404,574.66 and 5,456,501.56

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Solution

The fourth proportional to 8,988,663.16, 12,404,574.66 and 5,456,501.56 is: 7,530,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988,663.16 : 12,404,574.66 = 5,456,501.56 : x
  2. Step 2: Convert to fraction form
    8,988,663.16/12,404,574.66 = 5,456,501.56/x
  3. Step 3: Cross multiply
    8,988,663.16x = 12,404,574.66 × 5,456,501.56
  4. Step 4: Simplify right side
    8,988,663.16x = 67,685,580,983,426.47
  5. Step 5: Solve for x
    x = 67,685,580,983,426.47/8,988,663.16
  6. Step 6: Final answer
    x = 7,530,105.40

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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.