Home / 28,058,228.92-42,088,976.34-7,865,045.56

Finding the Fourth Proportional to 28,058,228.92, 42,088,976.34 and 7,865,045.56

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Solution

The fourth proportional to 28,058,228.92, 42,088,976.34 and 7,865,045.56 is: 11,798,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058,228.92 : 42,088,976.34 = 7,865,045.56 : x
  2. Step 2: Convert to fraction form
    28,058,228.92/42,088,976.34 = 7,865,045.56/x
  3. Step 3: Cross multiply
    28,058,228.92x = 42,088,976.34 × 7,865,045.56
  4. Step 4: Simplify right side
    28,058,228.92x = 331,031,716,487,862.06
  5. Step 5: Solve for x
    x = 331,031,716,487,862.06/28,058,228.92
  6. Step 6: Final answer
    x = 11,798,026.08

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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.