Home / 12,547,882.80-18,821,435.40-3,572,434.80

Finding the Fourth Proportional to 12,547,882.80, 18,821,435.40 and 3,572,434.80

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Solution

The fourth proportional to 12,547,882.80, 18,821,435.40 and 3,572,434.80 is: 5,358,541.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,882.80 : 18,821,435.40 = 3,572,434.80 : x
  2. Step 2: Convert to fraction form
    12,547,882.80/18,821,435.40 = 3,572,434.80/x
  3. Step 3: Cross multiply
    12,547,882.80x = 18,821,435.40 × 3,572,434.80
  4. Step 4: Simplify right side
    12,547,882.80x = 67,238,350,808,911.91
  5. Step 5: Solve for x
    x = 67,238,350,808,911.91/12,547,882.80
  6. Step 6: Final answer
    x = 5,358,541.51

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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.