Home / 21,033,007.07-31,549,510.60-5,076,655.07

Finding the Fourth Proportional to 21,033,007.07, 31,549,510.60 and 5,076,655.07

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Solution

The fourth proportional to 21,033,007.07, 31,549,510.60 and 5,076,655.07 is: 7,614,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,007.07 : 31,549,510.60 = 5,076,655.07 : x
  2. Step 2: Convert to fraction form
    21,033,007.07/31,549,510.60 = 5,076,655.07/x
  3. Step 3: Cross multiply
    21,033,007.07x = 31,549,510.60 × 5,076,655.07
  4. Step 4: Simplify right side
    21,033,007.07x = 160,165,982,773,069.56
  5. Step 5: Solve for x
    x = 160,165,982,773,069.56/21,033,007.07
  6. Step 6: Final answer
    x = 7,614,982.60

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Similar ratio
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1.5x scale

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.