Home / 28,185,031.10-42,267,176.58-9,736,282.78

Finding the Fourth Proportional to 28,185,031.10, 42,267,176.58 and 9,736,282.78

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Solution

The fourth proportional to 28,185,031.10, 42,267,176.58 and 9,736,282.78 is: 14,600,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185,031.10 : 42,267,176.58 = 9,736,282.78 : x
  2. Step 2: Convert to fraction form
    28,185,031.10/42,267,176.58 = 9,736,282.78/x
  3. Step 3: Cross multiply
    28,185,031.10x = 42,267,176.58 × 9,736,282.78
  4. Step 4: Simplify right side
    28,185,031.10x = 411,525,183,495,073.25
  5. Step 5: Solve for x
    x = 411,525,183,495,073.25/28,185,031.10
  6. Step 6: Final answer
    x = 14,600,841.92

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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.