Home / 14,043,870.24-19,379,562.03-7,931,117.76

Finding the Fourth Proportional to 14,043,870.24, 19,379,562.03 and 7,931,117.76

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Solution

The fourth proportional to 14,043,870.24, 19,379,562.03 and 7,931,117.76 is: 10,944,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,870.24 : 19,379,562.03 = 7,931,117.76 : x
  2. Step 2: Convert to fraction form
    14,043,870.24/19,379,562.03 = 7,931,117.76/x
  3. Step 3: Cross multiply
    14,043,870.24x = 19,379,562.03 × 7,931,117.76
  4. Step 4: Simplify right side
    14,043,870.24x = 153,701,588,597,154.66
  5. Step 5: Solve for x
    x = 153,701,588,597,154.66/14,043,870.24
  6. Step 6: Final answer
    x = 10,944,389.69

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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.