Home / 15,218,333.24-21,001,298.06-8,342,863.88

Finding the Fourth Proportional to 15,218,333.24, 21,001,298.06 and 8,342,863.88

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Solution

The fourth proportional to 15,218,333.24, 21,001,298.06 and 8,342,863.88 is: 11,513,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218,333.24 : 21,001,298.06 = 8,342,863.88 : x
  2. Step 2: Convert to fraction form
    15,218,333.24/21,001,298.06 = 8,342,863.88/x
  3. Step 3: Cross multiply
    15,218,333.24x = 21,001,298.06 × 8,342,863.88
  4. Step 4: Simplify right side
    15,218,333.24x = 175,210,971,017,888.06
  5. Step 5: Solve for x
    x = 175,210,971,017,888.06/15,218,333.24
  6. Step 6: Final answer
    x = 11,513,151.16

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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.