Home / 28,547,954.53-42,815,075.31-13,180,479.16

Finding the Fourth Proportional to 28,547,954.53, 42,815,075.31 and 13,180,479.16

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Solution

The fourth proportional to 28,547,954.53, 42,815,075.31 and 13,180,479.16 is: 19,767,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,954.53 : 42,815,075.31 = 13,180,479.16 : x
  2. Step 2: Convert to fraction form
    28,547,954.53/42,815,075.31 = 13,180,479.16/x
  3. Step 3: Cross multiply
    28,547,954.53x = 42,815,075.31 × 13,180,479.16
  4. Step 4: Simplify right side
    28,547,954.53x = 564,323,207,857,285.62
  5. Step 5: Solve for x
    x = 564,323,207,857,285.62/28,547,954.53
  6. Step 6: Final answer
    x = 19,767,553.13

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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.