Home / 28,437,279.12-42,630,312.96-10,228,675.34

Finding the Fourth Proportional to 28,437,279.12, 42,630,312.96 and 10,228,675.34

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Solution

The fourth proportional to 28,437,279.12, 42,630,312.96 and 10,228,675.34 is: 15,333,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437,279.12 : 42,630,312.96 = 10,228,675.34 : x
  2. Step 2: Convert to fraction form
    28,437,279.12/42,630,312.96 = 10,228,675.34/x
  3. Step 3: Cross multiply
    28,437,279.12x = 42,630,312.96 × 10,228,675.34
  4. Step 4: Simplify right side
    28,437,279.12x = 436,051,631,017,010.19
  5. Step 5: Solve for x
    x = 436,051,631,017,010.19/28,437,279.12
  6. Step 6: Final answer
    x = 15,333,802.83

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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.