Home / 20,005,568.61-27,607,712.70-10,838,211.36

Finding the Fourth Proportional to 20,005,568.61, 27,607,712.70 and 10,838,211.36

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Solution

The fourth proportional to 20,005,568.61, 27,607,712.70 and 10,838,211.36 is: 14,956,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,568.61 : 27,607,712.70 = 10,838,211.36 : x
  2. Step 2: Convert to fraction form
    20,005,568.61/27,607,712.70 = 10,838,211.36/x
  3. Step 3: Cross multiply
    20,005,568.61x = 27,607,712.70 × 10,838,211.36
  4. Step 4: Simplify right side
    20,005,568.61x = 299,218,225,408,756.25
  5. Step 5: Solve for x
    x = 299,218,225,408,756.25/20,005,568.61
  6. Step 6: Final answer
    x = 14,956,746.86

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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.