Home / 52,586,687.60-78,880,031.40-18,513,292.40

Finding the Fourth Proportional to 52,586,687.60, 78,880,031.40 and 18,513,292.40

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Solution

The fourth proportional to 52,586,687.60, 78,880,031.40 and 18,513,292.40 is: 27,769,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586,687.60 : 78,880,031.40 = 18,513,292.40 : x
  2. Step 2: Convert to fraction form
    52,586,687.60/78,880,031.40 = 18,513,292.40/x
  3. Step 3: Cross multiply
    52,586,687.60x = 78,880,031.40 × 18,513,292.40
  4. Step 4: Simplify right side
    52,586,687.60x = 1,460,329,085,829,381.25
  5. Step 5: Solve for x
    x = 1,460,329,085,829,381.25/52,586,687.60
  6. Step 6: Final answer
    x = 27,769,938.60

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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.