Home / 23,101,959.08-31,880,955.48-12,788,854.40

Finding the Fourth Proportional to 23,101,959.08, 31,880,955.48 and 12,788,854.40

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Solution

The fourth proportional to 23,101,959.08, 31,880,955.48 and 12,788,854.40 is: 17,648,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,959.08 : 31,880,955.48 = 12,788,854.40 : x
  2. Step 2: Convert to fraction form
    23,101,959.08/31,880,955.48 = 12,788,854.40/x
  3. Step 3: Cross multiply
    23,101,959.08x = 31,880,955.48 × 12,788,854.40
  4. Step 4: Simplify right side
    23,101,959.08x = 407,720,897,798,346.31
  5. Step 5: Solve for x
    x = 407,720,897,798,346.31/23,101,959.08
  6. Step 6: Final answer
    x = 17,648,758.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.