Home / 18,163,701.17-25,066,024.58-9,903,899.51

Finding the Fourth Proportional to 18,163,701.17, 25,066,024.58 and 9,903,899.51

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Solution

The fourth proportional to 18,163,701.17, 25,066,024.58 and 9,903,899.51 is: 13,667,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,701.17 : 25,066,024.58 = 9,903,899.51 : x
  2. Step 2: Convert to fraction form
    18,163,701.17/25,066,024.58 = 9,903,899.51/x
  3. Step 3: Cross multiply
    18,163,701.17x = 25,066,024.58 × 9,903,899.51
  4. Step 4: Simplify right side
    18,163,701.17x = 248,251,388,642,934.75
  5. Step 5: Solve for x
    x = 248,251,388,642,934.75/18,163,701.17
  6. Step 6: Final answer
    x = 13,667,445.10

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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.