Home / 12,596,979.60-18,881,472.60-6,921,277.20

Finding the Fourth Proportional to 12,596,979.60, 18,881,472.60 and 6,921,277.20

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Solution

The fourth proportional to 12,596,979.60, 18,881,472.60 and 6,921,277.20 is: 10,374,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,979.60 : 18,881,472.60 = 6,921,277.20 : x
  2. Step 2: Convert to fraction form
    12,596,979.60/18,881,472.60 = 6,921,277.20/x
  3. Step 3: Cross multiply
    12,596,979.60x = 18,881,472.60 × 6,921,277.20
  4. Step 4: Simplify right side
    12,596,979.60x = 130,683,905,808,804.73
  5. Step 5: Solve for x
    x = 130,683,905,808,804.73/12,596,979.60
  6. Step 6: Final answer
    x = 10,374,225.41

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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.