Home / 14,357,891.60-19,813,890.54-7,831,520.72

Finding the Fourth Proportional to 14,357,891.60, 19,813,890.54 and 7,831,520.72

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Solution

The fourth proportional to 14,357,891.60, 19,813,890.54 and 7,831,520.72 is: 10,807,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357,891.60 : 19,813,890.54 = 7,831,520.72 : x
  2. Step 2: Convert to fraction form
    14,357,891.60/19,813,890.54 = 7,831,520.72/x
  3. Step 3: Cross multiply
    14,357,891.60x = 19,813,890.54 × 7,831,520.72
  4. Step 4: Simplify right side
    14,357,891.60x = 155,172,894,307,821.97
  5. Step 5: Solve for x
    x = 155,172,894,307,821.97/14,357,891.60
  6. Step 6: Final answer
    x = 10,807,498.67

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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.