Home / 31,374,968.85-47,065,165.47-8,655,866.10

Finding the Fourth Proportional to 31,374,968.85, 47,065,165.47 and 8,655,866.10

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Solution

The fourth proportional to 31,374,968.85, 47,065,165.47 and 8,655,866.10 is: 12,984,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374,968.85 : 47,065,165.47 = 8,655,866.10 : x
  2. Step 2: Convert to fraction form
    31,374,968.85/47,065,165.47 = 8,655,866.10/x
  3. Step 3: Cross multiply
    31,374,968.85x = 47,065,165.47 × 8,655,866.10
  4. Step 4: Simplify right side
    31,374,968.85x = 407,389,770,282,663.56
  5. Step 5: Solve for x
    x = 407,389,770,282,663.56/31,374,968.85
  6. Step 6: Final answer
    x = 12,984,547.40

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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.