Home / 9,780,376.60-14,656,568.10-7,201,466.20

Finding the Fourth Proportional to 9,780,376.60, 14,656,568.10 and 7,201,466.20

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Solution

The fourth proportional to 9,780,376.60, 14,656,568.10 and 7,201,466.20 is: 10,791,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,376.60 : 14,656,568.10 = 7,201,466.20 : x
  2. Step 2: Convert to fraction form
    9,780,376.60/14,656,568.10 = 7,201,466.20/x
  3. Step 3: Cross multiply
    9,780,376.60x = 14,656,568.10 × 7,201,466.20
  4. Step 4: Simplify right side
    9,780,376.60x = 105,548,779,780,148.22
  5. Step 5: Solve for x
    x = 105,548,779,780,148.22/9,780,376.60
  6. Step 6: Final answer
    x = 10,791,893.21

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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.