Home / 18,931,088.10-26,124,908.55-10,229,260.68

Finding the Fourth Proportional to 18,931,088.10, 26,124,908.55 and 10,229,260.68

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Solution

The fourth proportional to 18,931,088.10, 26,124,908.55 and 10,229,260.68 is: 14,116,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,088.10 : 26,124,908.55 = 10,229,260.68 : x
  2. Step 2: Convert to fraction form
    18,931,088.10/26,124,908.55 = 10,229,260.68/x
  3. Step 3: Cross multiply
    18,931,088.10x = 26,124,908.55 × 10,229,260.68
  4. Step 4: Simplify right side
    18,931,088.10x = 267,238,499,799,110.81
  5. Step 5: Solve for x
    x = 267,238,499,799,110.81/18,931,088.10
  6. Step 6: Final answer
    x = 14,116,383.51

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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.