Home / 14,275,621.58-19,700,382.78-7,749,255.47

Finding the Fourth Proportional to 14,275,621.58, 19,700,382.78 and 7,749,255.47

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Solution

The fourth proportional to 14,275,621.58, 19,700,382.78 and 7,749,255.47 is: 10,693,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,621.58 : 19,700,382.78 = 7,749,255.47 : x
  2. Step 2: Convert to fraction form
    14,275,621.58/19,700,382.78 = 7,749,255.47/x
  3. Step 3: Cross multiply
    14,275,621.58x = 19,700,382.78 × 7,749,255.47
  4. Step 4: Simplify right side
    14,275,621.58x = 152,663,299,068,259.78
  5. Step 5: Solve for x
    x = 152,663,299,068,259.78/14,275,621.58
  6. Step 6: Final answer
    x = 10,693,986.12

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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.