Home / 15,057,547.04-20,779,545.60-8,182,029.11

Finding the Fourth Proportional to 15,057,547.04, 20,779,545.60 and 8,182,029.11

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Solution

The fourth proportional to 15,057,547.04, 20,779,545.60 and 8,182,029.11 is: 11,291,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,547.04 : 20,779,545.60 = 8,182,029.11 : x
  2. Step 2: Convert to fraction form
    15,057,547.04/20,779,545.60 = 8,182,029.11/x
  3. Step 3: Cross multiply
    15,057,547.04x = 20,779,545.60 × 8,182,029.11
  4. Step 4: Simplify right side
    15,057,547.04x = 170,018,846,887,874.72
  5. Step 5: Solve for x
    x = 170,018,846,887,874.72/15,057,547.04
  6. Step 6: Final answer
    x = 11,291,271.18

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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.