Home / 12,912,001.60-19,368,002.40-4,401,947.20

Finding the Fourth Proportional to 12,912,001.60, 19,368,002.40 and 4,401,947.20

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Solution

The fourth proportional to 12,912,001.60, 19,368,002.40 and 4,401,947.20 is: 6,602,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,001.60 : 19,368,002.40 = 4,401,947.20 : x
  2. Step 2: Convert to fraction form
    12,912,001.60/19,368,002.40 = 4,401,947.20/x
  3. Step 3: Cross multiply
    12,912,001.60x = 19,368,002.40 × 4,401,947.20
  4. Step 4: Simplify right side
    12,912,001.60x = 85,256,923,934,273.28
  5. Step 5: Solve for x
    x = 85,256,923,934,273.28/12,912,001.60
  6. Step 6: Final answer
    x = 6,602,920.80

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1.5x scale

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.