Home / 9,779,063.76-13,494,432.42-5,427,807.75

Finding the Fourth Proportional to 9,779,063.76, 13,494,432.42 and 5,427,807.75

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Solution

The fourth proportional to 9,779,063.76, 13,494,432.42 and 5,427,807.75 is: 7,489,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779,063.76 : 13,494,432.42 = 5,427,807.75 : x
  2. Step 2: Convert to fraction form
    9,779,063.76/13,494,432.42 = 5,427,807.75/x
  3. Step 3: Cross multiply
    9,779,063.76x = 13,494,432.42 × 5,427,807.75
  4. Step 4: Simplify right side
    9,779,063.76x = 73,245,184,871,127.25
  5. Step 5: Solve for x
    x = 73,245,184,871,127.25/9,779,063.76
  6. Step 6: Final answer
    x = 7,489,999.72

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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.