Home / 51,686,811.90-71,328,278.70-28,482,769.26

Finding the Fourth Proportional to 51,686,811.90, 71,328,278.70 and 28,482,769.26

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Solution

The fourth proportional to 51,686,811.90, 71,328,278.70 and 28,482,769.26 is: 39,306,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,811.90 : 71,328,278.70 = 28,482,769.26 : x
  2. Step 2: Convert to fraction form
    51,686,811.90/71,328,278.70 = 28,482,769.26/x
  3. Step 3: Cross multiply
    51,686,811.90x = 71,328,278.70 × 28,482,769.26
  4. Step 4: Simplify right side
    51,686,811.90x = 2,031,626,903,925,073
  5. Step 5: Solve for x
    x = 2,031,626,903,925,073/51,686,811.90
  6. Step 6: Final answer
    x = 39,306,485.14

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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.