Home / 13,292,947.60-19,939,421.40-4,774,145.20

Finding the Fourth Proportional to 13,292,947.60, 19,939,421.40 and 4,774,145.20

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Solution

The fourth proportional to 13,292,947.60, 19,939,421.40 and 4,774,145.20 is: 7,161,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292,947.60 : 19,939,421.40 = 4,774,145.20 : x
  2. Step 2: Convert to fraction form
    13,292,947.60/19,939,421.40 = 4,774,145.20/x
  3. Step 3: Cross multiply
    13,292,947.60x = 19,939,421.40 × 4,774,145.20
  4. Step 4: Simplify right side
    13,292,947.60x = 95,193,692,967,587.28
  5. Step 5: Solve for x
    x = 95,193,692,967,587.28/13,292,947.60
  6. Step 6: Final answer
    x = 7,161,217.80

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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.