Home / 12,931,772.58-17,847,043.47-7,425,868.86

Finding the Fourth Proportional to 12,931,772.58, 17,847,043.47 and 7,425,868.86

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Solution

The fourth proportional to 12,931,772.58, 17,847,043.47 and 7,425,868.86 is: 10,248,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,772.58 : 17,847,043.47 = 7,425,868.86 : x
  2. Step 2: Convert to fraction form
    12,931,772.58/17,847,043.47 = 7,425,868.86/x
  3. Step 3: Cross multiply
    12,931,772.58x = 17,847,043.47 × 7,425,868.86
  4. Step 4: Simplify right side
    12,931,772.58x = 132,529,804,346,939.34
  5. Step 5: Solve for x
    x = 132,529,804,346,939.34/12,931,772.58
  6. Step 6: Final answer
    x = 10,248,386.56

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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.