Home / 19,830,589.05-29,736,309.45-8,312,962.72

Finding the Fourth Proportional to 19,830,589.05, 29,736,309.45 and 8,312,962.72

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Solution

The fourth proportional to 19,830,589.05, 29,736,309.45 and 8,312,962.72 is: 12,465,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830,589.05 : 29,736,309.45 = 8,312,962.72 : x
  2. Step 2: Convert to fraction form
    19,830,589.05/29,736,309.45 = 8,312,962.72/x
  3. Step 3: Cross multiply
    19,830,589.05x = 29,736,309.45 × 8,312,962.72
  4. Step 4: Simplify right side
    19,830,589.05x = 247,196,831,888,233.69
  5. Step 5: Solve for x
    x = 247,196,831,888,233.69/19,830,589.05
  6. Step 6: Final answer
    x = 12,465,430.62

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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.