Home / 13,287,118.63-18,336,223.57-7,175,547.13

Finding the Fourth Proportional to 13,287,118.63, 18,336,223.57 and 7,175,547.13

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Solution

The fourth proportional to 13,287,118.63, 18,336,223.57 and 7,175,547.13 is: 9,902,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,118.63 : 18,336,223.57 = 7,175,547.13 : x
  2. Step 2: Convert to fraction form
    13,287,118.63/18,336,223.57 = 7,175,547.13/x
  3. Step 3: Cross multiply
    13,287,118.63x = 18,336,223.57 × 7,175,547.13
  4. Step 4: Simplify right side
    13,287,118.63x = 131,572,436,412,751.86
  5. Step 5: Solve for x
    x = 131,572,436,412,751.86/13,287,118.63
  6. Step 6: Final answer
    x = 9,902,254.96

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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.