Home / 18,488,412.50-25,513,990.00-10,339,650.50

Finding the Fourth Proportional to 18,488,412.50, 25,513,990.00 and 10,339,650.50

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Solution

The fourth proportional to 18,488,412.50, 25,513,990.00 and 10,339,650.50 is: 14,268,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,412.50 : 25,513,990.00 = 10,339,650.50 : x
  2. Step 2: Convert to fraction form
    18,488,412.50/25,513,990.00 = 10,339,650.50/x
  3. Step 3: Cross multiply
    18,488,412.50x = 25,513,990.00 × 10,339,650.50
  4. Step 4: Simplify right side
    18,488,412.50x = 263,805,739,307,075.88
  5. Step 5: Solve for x
    x = 263,805,739,307,075.88/18,488,412.50
  6. Step 6: Final answer
    x = 14,268,706.92

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1.5x scale

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.