Home / 19,383,447.28-26,749,332.96-10,681,931.68

Finding the Fourth Proportional to 19,383,447.28, 26,749,332.96 and 10,681,931.68

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Solution

The fourth proportional to 19,383,447.28, 26,749,332.96 and 10,681,931.68 is: 14,741,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383,447.28 : 26,749,332.96 = 10,681,931.68 : x
  2. Step 2: Convert to fraction form
    19,383,447.28/26,749,332.96 = 10,681,931.68/x
  3. Step 3: Cross multiply
    19,383,447.28x = 26,749,332.96 × 10,681,931.68
  4. Step 4: Simplify right side
    19,383,447.28x = 285,734,547,164,292.19
  5. Step 5: Solve for x
    x = 285,734,547,164,292.19/19,383,447.28
  6. Step 6: Final answer
    x = 14,741,162.55

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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.