Home / 21,298,184.69-31,947,275.03-5,124,135.96

Finding the Fourth Proportional to 21,298,184.69, 31,947,275.03 and 5,124,135.96

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Solution

The fourth proportional to 21,298,184.69, 31,947,275.03 and 5,124,135.96 is: 7,686,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298,184.69 : 31,947,275.03 = 5,124,135.96 : x
  2. Step 2: Convert to fraction form
    21,298,184.69/31,947,275.03 = 5,124,135.96/x
  3. Step 3: Cross multiply
    21,298,184.69x = 31,947,275.03 × 5,124,135.96
  4. Step 4: Simplify right side
    21,298,184.69x = 163,702,180,779,612.38
  5. Step 5: Solve for x
    x = 163,702,180,779,612.38/21,298,184.69
  6. Step 6: Final answer
    x = 7,686,203.46

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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.