Home / 29,031,929.77-40,064,060.70-15,801,201.45

Finding the Fourth Proportional to 29,031,929.77, 40,064,060.70 and 15,801,201.45

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Solution

The fourth proportional to 29,031,929.77, 40,064,060.70 and 15,801,201.45 is: 21,805,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031,929.77 : 40,064,060.70 = 15,801,201.45 : x
  2. Step 2: Convert to fraction form
    29,031,929.77/40,064,060.70 = 15,801,201.45/x
  3. Step 3: Cross multiply
    29,031,929.77x = 40,064,060.70 × 15,801,201.45
  4. Step 4: Simplify right side
    29,031,929.77x = 633,060,294,025,728
  5. Step 5: Solve for x
    x = 633,060,294,025,728/29,031,929.77
  6. Step 6: Final answer
    x = 21,805,656.70

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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.