Home / 28,390,764.30-42,603,642.45-11,349,660.30

Finding the Fourth Proportional to 28,390,764.30, 42,603,642.45 and 11,349,660.30

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Solution

The fourth proportional to 28,390,764.30, 42,603,642.45 and 11,349,660.30 is: 17,031,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390,764.30 : 42,603,642.45 = 11,349,660.30 : x
  2. Step 2: Convert to fraction form
    28,390,764.30/42,603,642.45 = 11,349,660.30/x
  3. Step 3: Cross multiply
    28,390,764.30x = 42,603,642.45 × 11,349,660.30
  4. Step 4: Simplify right side
    28,390,764.30x = 483,536,869,350,159.81
  5. Step 5: Solve for x
    x = 483,536,869,350,159.81/28,390,764.30
  6. Step 6: Final answer
    x = 17,031,484.75

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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.