Home / 28,262,029.51-42,366,111.36-9,079,320.34

Finding the Fourth Proportional to 28,262,029.51, 42,366,111.36 and 9,079,320.34

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Solution

The fourth proportional to 28,262,029.51, 42,366,111.36 and 9,079,320.34 is: 13,610,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,029.51 : 42,366,111.36 = 9,079,320.34 : x
  2. Step 2: Convert to fraction form
    28,262,029.51/42,366,111.36 = 9,079,320.34/x
  3. Step 3: Cross multiply
    28,262,029.51x = 42,366,111.36 × 9,079,320.34
  4. Step 4: Simplify right side
    28,262,029.51x = 384,655,496,597,553.06
  5. Step 5: Solve for x
    x = 384,655,496,597,553.06/28,262,029.51
  6. Step 6: Final answer
    x = 13,610,328.18

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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.