Home / 12,547,810.80-18,821,327.40-3,572,362.80

Finding the Fourth Proportional to 12,547,810.80, 18,821,327.40 and 3,572,362.80

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Solution

The fourth proportional to 12,547,810.80, 18,821,327.40 and 3,572,362.80 is: 5,358,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,810.80 : 18,821,327.40 = 3,572,362.80 : x
  2. Step 2: Convert to fraction form
    12,547,810.80/18,821,327.40 = 3,572,362.80/x
  3. Step 3: Cross multiply
    12,547,810.80x = 18,821,327.40 × 3,572,362.80
  4. Step 4: Simplify right side
    12,547,810.80x = 67,236,609,850,380.71
  5. Step 5: Solve for x
    x = 67,236,609,850,380.71/12,547,810.80
  6. Step 6: Final answer
    x = 5,358,433.51

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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.