Home / 15,482,547.12-21,366,644.22-8,607,144

Finding the Fourth Proportional to 15,482,547.12, 21,366,644.22 and 8,607,144

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Solution

The fourth proportional to 15,482,547.12, 21,366,644.22 and 8,607,144 is: 11,878,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,547.12 : 21,366,644.22 = 8,607,144 : x
  2. Step 2: Convert to fraction form
    15,482,547.12/21,366,644.22 = 8,607,144/x
  3. Step 3: Cross multiply
    15,482,547.12x = 21,366,644.22 × 8,607,144
  4. Step 4: Simplify right side
    15,482,547.12x = 183,905,783,598,307.66
  5. Step 5: Solve for x
    x = 183,905,783,598,307.66/15,482,547.12
  6. Step 6: Final answer
    x = 11,878,264.10

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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.