Home / 28,045,707.60-42,058,063.80-9,842,869.20

Finding the Fourth Proportional to 28,045,707.60, 42,058,063.80 and 9,842,869.20

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Solution

The fourth proportional to 28,045,707.60, 42,058,063.80 and 9,842,869.20 is: 14,760,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,707.60 : 42,058,063.80 = 9,842,869.20 : x
  2. Step 2: Convert to fraction form
    28,045,707.60/42,058,063.80 = 9,842,869.20/x
  3. Step 3: Cross multiply
    28,045,707.60x = 42,058,063.80 × 9,842,869.20
  4. Step 4: Simplify right side
    28,045,707.60x = 413,972,020,788,654.88
  5. Step 5: Solve for x
    x = 413,972,020,788,654.88/28,045,707.60
  6. Step 6: Final answer
    x = 14,760,619.58

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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.