Home / 19,153,151.47-26,431,415.81-10,451,515.87

Finding the Fourth Proportional to 19,153,151.47, 26,431,415.81 and 10,451,515.87

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Solution

The fourth proportional to 19,153,151.47, 26,431,415.81 and 10,451,515.87 is: 14,423,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,151.47 : 26,431,415.81 = 10,451,515.87 : x
  2. Step 2: Convert to fraction form
    19,153,151.47/26,431,415.81 = 10,451,515.87/x
  3. Step 3: Cross multiply
    19,153,151.47x = 26,431,415.81 × 10,451,515.87
  4. Step 4: Simplify right side
    19,153,151.47x = 276,248,361,804,783.88
  5. Step 5: Solve for x
    x = 276,248,361,804,783.88/19,153,151.47
  6. Step 6: Final answer
    x = 14,423,128.34

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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.