Home / 13,807,154.70-20,710,731.45-13,116,742.74

Finding the Fourth Proportional to 13,807,154.70, 20,710,731.45 and 13,116,742.74

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Solution

The fourth proportional to 13,807,154.70, 20,710,731.45 and 13,116,742.74 is: 19,675,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,154.70 : 20,710,731.45 = 13,116,742.74 : x
  2. Step 2: Convert to fraction form
    13,807,154.70/20,710,731.45 = 13,116,742.74/x
  3. Step 3: Cross multiply
    13,807,154.70x = 20,710,731.45 × 13,116,742.74
  4. Step 4: Simplify right side
    13,807,154.70x = 271,657,336,386,877.16
  5. Step 5: Solve for x
    x = 271,657,336,386,877.16/13,807,154.70
  6. Step 6: Final answer
    x = 19,675,113.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.