Home / 7,182,938.40-10,779,656.40-5,057,174.40

Finding the Fourth Proportional to 7,182,938.40, 10,779,656.40 and 5,057,174.40

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Solution

The fourth proportional to 7,182,938.40, 10,779,656.40 and 5,057,174.40 is: 7,589,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,938.40 : 10,779,656.40 = 5,057,174.40 : x
  2. Step 2: Convert to fraction form
    7,182,938.40/10,779,656.40 = 5,057,174.40/x
  3. Step 3: Cross multiply
    7,182,938.40x = 10,779,656.40 × 5,057,174.40
  4. Step 4: Simplify right side
    7,182,938.40x = 54,514,602,386,876.16
  5. Step 5: Solve for x
    x = 54,514,602,386,876.16/7,182,938.40
  6. Step 6: Final answer
    x = 7,589,457.04

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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.