Home / 15,376,646.84-21,216,253.26-9,180,490.04

Finding the Fourth Proportional to 15,376,646.84, 21,216,253.26 and 9,180,490.04

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Solution

The fourth proportional to 15,376,646.84, 21,216,253.26 and 9,180,490.04 is: 12,666,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,646.84 : 21,216,253.26 = 9,180,490.04 : x
  2. Step 2: Convert to fraction form
    15,376,646.84/21,216,253.26 = 9,180,490.04/x
  3. Step 3: Cross multiply
    15,376,646.84x = 21,216,253.26 × 9,180,490.04
  4. Step 4: Simplify right side
    15,376,646.84x = 194,775,601,739,547.53
  5. Step 5: Solve for x
    x = 194,775,601,739,547.53/15,376,646.84
  6. Step 6: Final answer
    x = 12,666,975.04

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Double scale
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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.