Home / 15,710,888.55-21,679,121.36-8,739,918.27

Finding the Fourth Proportional to 15,710,888.55, 21,679,121.36 and 8,739,918.27

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Solution

The fourth proportional to 15,710,888.55, 21,679,121.36 and 8,739,918.27 is: 12,060,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,888.55 : 21,679,121.36 = 8,739,918.27 : x
  2. Step 2: Convert to fraction form
    15,710,888.55/21,679,121.36 = 8,739,918.27/x
  3. Step 3: Cross multiply
    15,710,888.55x = 21,679,121.36 × 8,739,918.27
  4. Step 4: Simplify right side
    15,710,888.55x = 189,473,748,808,111.66
  5. Step 5: Solve for x
    x = 189,473,748,808,111.66/15,710,888.55
  6. Step 6: Final answer
    x = 12,060,027.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.