Home / 28,547,943.04-42,815,058.06-13,180,467.62

Finding the Fourth Proportional to 28,547,943.04, 42,815,058.06 and 13,180,467.62

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Solution

The fourth proportional to 28,547,943.04, 42,815,058.06 and 13,180,467.62 is: 19,767,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,943.04 : 42,815,058.06 = 13,180,467.62 : x
  2. Step 2: Convert to fraction form
    28,547,943.04/42,815,058.06 = 13,180,467.62/x
  3. Step 3: Cross multiply
    28,547,943.04x = 42,815,058.06 × 13,180,467.62
  4. Step 4: Simplify right side
    28,547,943.04x = 564,322,486,564,714.38
  5. Step 5: Solve for x
    x = 564,322,486,564,714.38/28,547,943.04
  6. Step 6: Final answer
    x = 19,767,535.82

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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.