Home / 8,316,971.20-12,476,428.80-2,637,769.60

Finding the Fourth Proportional to 8,316,971.20, 12,476,428.80 and 2,637,769.60

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Solution

The fourth proportional to 8,316,971.20, 12,476,428.80 and 2,637,769.60 is: 3,956,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,971.20 : 12,476,428.80 = 2,637,769.60 : x
  2. Step 2: Convert to fraction form
    8,316,971.20/12,476,428.80 = 2,637,769.60/x
  3. Step 3: Cross multiply
    8,316,971.20x = 12,476,428.80 × 2,637,769.60
  4. Step 4: Simplify right side
    8,316,971.20x = 32,909,944,605,204.48
  5. Step 5: Solve for x
    x = 32,909,944,605,204.48/8,316,971.20
  6. Step 6: Final answer
    x = 3,956,962.67

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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.