Home / 12,830,475.47-19,192,525.36-9,774,721.31

Finding the Fourth Proportional to 12,830,475.47, 19,192,525.36 and 9,774,721.31

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Solution

The fourth proportional to 12,830,475.47, 19,192,525.36 and 9,774,721.31 is: 14,621,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,475.47 : 19,192,525.36 = 9,774,721.31 : x
  2. Step 2: Convert to fraction form
    12,830,475.47/19,192,525.36 = 9,774,721.31/x
  3. Step 3: Cross multiply
    12,830,475.47x = 19,192,525.36 × 9,774,721.31
  4. Step 4: Simplify right side
    12,830,475.47x = 187,601,586,508,708
  5. Step 5: Solve for x
    x = 187,601,586,508,708/12,830,475.47
  6. Step 6: Final answer
    x = 14,621,561.53

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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.