Home / 20,547,703.98-30,799,270.44-10,287,820.08

Finding the Fourth Proportional to 20,547,703.98, 30,799,270.44 and 10,287,820.08

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Solution

The fourth proportional to 20,547,703.98, 30,799,270.44 and 10,287,820.08 is: 15,420,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,703.98 : 30,799,270.44 = 10,287,820.08 : x
  2. Step 2: Convert to fraction form
    20,547,703.98/30,799,270.44 = 10,287,820.08/x
  3. Step 3: Cross multiply
    20,547,703.98x = 30,799,270.44 × 10,287,820.08
  4. Step 4: Simplify right side
    20,547,703.98x = 316,857,352,881,982.44
  5. Step 5: Solve for x
    x = 316,857,352,881,982.44/20,547,703.98
  6. Step 6: Final answer
    x = 15,420,572.21

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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.