Home / 25,771,338-38,657,240.28-7,820,442

Finding the Fourth Proportional to 25,771,338, 38,657,240.28 and 7,820,442

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Solution

The fourth proportional to 25,771,338, 38,657,240.28 and 7,820,442 is: 11,730,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771,338 : 38,657,240.28 = 7,820,442 : x
  2. Step 2: Convert to fraction form
    25,771,338/38,657,240.28 = 7,820,442/x
  3. Step 3: Cross multiply
    25,771,338x = 38,657,240.28 × 7,820,442
  4. Step 4: Simplify right side
    25,771,338x = 302,316,705,489,803.75
  5. Step 5: Solve for x
    x = 302,316,705,489,803.75/25,771,338
  6. Step 6: Final answer
    x = 11,730,733.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.