Home / 15,779,661.40-23,655,281.10-5,675,177.08

Finding the Fourth Proportional to 15,779,661.40, 23,655,281.10 and 5,675,177.08

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Solution

The fourth proportional to 15,779,661.40, 23,655,281.10 and 5,675,177.08 is: 8,507,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,661.40 : 23,655,281.10 = 5,675,177.08 : x
  2. Step 2: Convert to fraction form
    15,779,661.40/23,655,281.10 = 5,675,177.08/x
  3. Step 3: Cross multiply
    15,779,661.40x = 23,655,281.10 × 5,675,177.08
  4. Step 4: Simplify right side
    15,779,661.40x = 134,247,909,119,677.20
  5. Step 5: Solve for x
    x = 134,247,909,119,677.20/15,779,661.40
  6. Step 6: Final answer
    x = 8,507,654.61

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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.