Home / 42,048,118.40-63,060,367.80-13,303,065.20

Finding the Fourth Proportional to 42,048,118.40, 63,060,367.80 and 13,303,065.20

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Solution

The fourth proportional to 42,048,118.40, 63,060,367.80 and 13,303,065.20 is: 19,950,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,048,118.40 : 63,060,367.80 = 13,303,065.20 : x
  2. Step 2: Convert to fraction form
    42,048,118.40/63,060,367.80 = 13,303,065.20/x
  3. Step 3: Cross multiply
    42,048,118.40x = 63,060,367.80 × 13,303,065.20
  4. Step 4: Simplify right side
    42,048,118.40x = 838,896,184,379,380.50
  5. Step 5: Solve for x
    x = 838,896,184,379,380.50/42,048,118.40
  6. Step 6: Final answer
    x = 19,950,861.45

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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.