Home / 27,776,333-38,331,646.04-15,386,616.20

Finding the Fourth Proportional to 27,776,333, 38,331,646.04 and 15,386,616.20

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Solution

The fourth proportional to 27,776,333, 38,331,646.04 and 15,386,616.20 is: 21,233,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776,333 : 38,331,646.04 = 15,386,616.20 : x
  2. Step 2: Convert to fraction form
    27,776,333/38,331,646.04 = 15,386,616.20/x
  3. Step 3: Cross multiply
    27,776,333x = 38,331,646.04 × 15,386,616.20
  4. Step 4: Simplify right side
    27,776,333x = 589,794,325,931,729.75
  5. Step 5: Solve for x
    x = 589,794,325,931,729.75/27,776,333
  6. Step 6: Final answer
    x = 21,233,700.14

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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.