Home / 8,038,412.40-12,057,618.60-7,982,425.20

Finding the Fourth Proportional to 8,038,412.40, 12,057,618.60 and 7,982,425.20

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Solution

The fourth proportional to 8,038,412.40, 12,057,618.60 and 7,982,425.20 is: 11,973,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038,412.40 : 12,057,618.60 = 7,982,425.20 : x
  2. Step 2: Convert to fraction form
    8,038,412.40/12,057,618.60 = 7,982,425.20/x
  3. Step 3: Cross multiply
    8,038,412.40x = 12,057,618.60 × 7,982,425.20
  4. Step 4: Simplify right side
    8,038,412.40x = 96,249,038,564,628.72
  5. Step 5: Solve for x
    x = 96,249,038,564,628.72/8,038,412.40
  6. Step 6: Final answer
    x = 11,973,637.80

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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.