Home / 7,769,708.40-11,654,562.60-4,779,577.20

Finding the Fourth Proportional to 7,769,708.40, 11,654,562.60 and 4,779,577.20

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Solution

The fourth proportional to 7,769,708.40, 11,654,562.60 and 4,779,577.20 is: 7,169,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,708.40 : 11,654,562.60 = 4,779,577.20 : x
  2. Step 2: Convert to fraction form
    7,769,708.40/11,654,562.60 = 4,779,577.20/x
  3. Step 3: Cross multiply
    7,769,708.40x = 11,654,562.60 × 4,779,577.20
  4. Step 4: Simplify right side
    7,769,708.40x = 55,703,881,678,932.72
  5. Step 5: Solve for x
    x = 55,703,881,678,932.72/7,769,708.40
  6. Step 6: Final answer
    x = 7,169,365.80

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1.5x scale

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.