Home / 10,072,642.02-13,900,202.28-5,488,963.80

Finding the Fourth Proportional to 10,072,642.02, 13,900,202.28 and 5,488,963.80

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Solution

The fourth proportional to 10,072,642.02, 13,900,202.28 and 5,488,963.80 is: 7,574,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072,642.02 : 13,900,202.28 = 5,488,963.80 : x
  2. Step 2: Convert to fraction form
    10,072,642.02/13,900,202.28 = 5,488,963.80/x
  3. Step 3: Cross multiply
    10,072,642.02x = 13,900,202.28 × 5,488,963.80
  4. Step 4: Simplify right side
    10,072,642.02x = 76,297,707,127,597.45
  5. Step 5: Solve for x
    x = 76,297,707,127,597.45/10,072,642.02
  6. Step 6: Final answer
    x = 7,574,746.23

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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.