Home / 10,020,721.60-15,030,906.48-6,943,875.04

Finding the Fourth Proportional to 10,020,721.60, 15,030,906.48 and 6,943,875.04

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Solution

The fourth proportional to 10,020,721.60, 15,030,906.48 and 6,943,875.04 is: 10,415,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020,721.60 : 15,030,906.48 = 6,943,875.04 : x
  2. Step 2: Convert to fraction form
    10,020,721.60/15,030,906.48 = 6,943,875.04/x
  3. Step 3: Cross multiply
    10,020,721.60x = 15,030,906.48 × 6,943,875.04
  4. Step 4: Simplify right side
    10,020,721.60x = 104,372,736,335,046.27
  5. Step 5: Solve for x
    x = 104,372,736,335,046.27/10,020,721.60
  6. Step 6: Final answer
    x = 10,415,690.66

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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.