Home / 28,126,579.30-42,191,493.01-10,854,869.81

Finding the Fourth Proportional to 28,126,579.30, 42,191,493.01 and 10,854,869.81

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Solution

The fourth proportional to 28,126,579.30, 42,191,493.01 and 10,854,869.81 is: 16,282,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,579.30 : 42,191,493.01 = 10,854,869.81 : x
  2. Step 2: Convert to fraction form
    28,126,579.30/42,191,493.01 = 10,854,869.81/x
  3. Step 3: Cross multiply
    28,126,579.30x = 42,191,493.01 × 10,854,869.81
  4. Step 4: Simplify right side
    28,126,579.30x = 457,983,163,474,980.38
  5. Step 5: Solve for x
    x = 457,983,163,474,980.38/28,126,579.30
  6. Step 6: Final answer
    x = 16,282,931.48

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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.