Home / 19,153,153.47-26,431,418.57-10,451,517.87

Finding the Fourth Proportional to 19,153,153.47, 26,431,418.57 and 10,451,517.87

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Solution

The fourth proportional to 19,153,153.47, 26,431,418.57 and 10,451,517.87 is: 14,423,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,153.47 : 26,431,418.57 = 10,451,517.87 : x
  2. Step 2: Convert to fraction form
    19,153,153.47/26,431,418.57 = 10,451,517.87/x
  3. Step 3: Cross multiply
    19,153,153.47x = 26,431,418.57 × 10,451,517.87
  4. Step 4: Simplify right side
    19,153,153.47x = 276,248,443,513,804.81
  5. Step 5: Solve for x
    x = 276,248,443,513,804.81/19,153,153.47
  6. Step 6: Final answer
    x = 14,423,131.10

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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.