Home / 8,372,637.21-12,550,984.16-2,688,875.72

Finding the Fourth Proportional to 8,372,637.21, 12,550,984.16 and 2,688,875.72

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Solution

The fourth proportional to 8,372,637.21, 12,550,984.16 and 2,688,875.72 is: 4,030,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,637.21 : 12,550,984.16 = 2,688,875.72 : x
  2. Step 2: Convert to fraction form
    8,372,637.21/12,550,984.16 = 2,688,875.72/x
  3. Step 3: Cross multiply
    8,372,637.21x = 12,550,984.16 × 2,688,875.72
  4. Step 4: Simplify right side
    8,372,637.21x = 33,748,036,493,729.29
  5. Step 5: Solve for x
    x = 33,748,036,493,729.29/8,372,637.21
  6. Step 6: Final answer
    x = 4,030,753.47

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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.