Home / 51,021,840.60-70,407,105.93-28,992,282.57

Finding the Fourth Proportional to 51,021,840.60, 70,407,105.93 and 28,992,282.57

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Solution

The fourth proportional to 51,021,840.60, 70,407,105.93 and 28,992,282.57 is: 40,007,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021,840.60 : 70,407,105.93 = 28,992,282.57 : x
  2. Step 2: Convert to fraction form
    51,021,840.60/70,407,105.93 = 28,992,282.57/x
  3. Step 3: Cross multiply
    51,021,840.60x = 70,407,105.93 × 28,992,282.57
  4. Step 4: Simplify right side
    51,021,840.60x = 2,041,262,710,058,482.75
  5. Step 5: Solve for x
    x = 2,041,262,710,058,482.75/51,021,840.60
  6. Step 6: Final answer
    x = 40,007,625.87

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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.