Home / 19,285,642.98-28,926,692.96-6,506,258.40

Finding the Fourth Proportional to 19,285,642.98, 28,926,692.96 and 6,506,258.40

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Solution

The fourth proportional to 19,285,642.98, 28,926,692.96 and 6,506,258.40 is: 9,758,789.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,642.98 : 28,926,692.96 = 6,506,258.40 : x
  2. Step 2: Convert to fraction form
    19,285,642.98/28,926,692.96 = 6,506,258.40/x
  3. Step 3: Cross multiply
    19,285,642.98x = 28,926,692.96 × 6,506,258.40
  4. Step 4: Simplify right side
    19,285,642.98x = 188,204,539,022,689.56
  5. Step 5: Solve for x
    x = 188,204,539,022,689.56/19,285,642.98
  6. Step 6: Final answer
    x = 9,758,789.96

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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.