Home / 30,610,029.12-42,240,988.45-16,671,078.51

Finding the Fourth Proportional to 30,610,029.12, 42,240,988.45 and 16,671,078.51

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Solution

The fourth proportional to 30,610,029.12, 42,240,988.45 and 16,671,078.51 is: 23,005,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,029.12 : 42,240,988.45 = 16,671,078.51 : x
  2. Step 2: Convert to fraction form
    30,610,029.12/42,240,988.45 = 16,671,078.51/x
  3. Step 3: Cross multiply
    30,610,029.12x = 42,240,988.45 × 16,671,078.51
  4. Step 4: Simplify right side
    30,610,029.12x = 704,202,834,789,953.25
  5. Step 5: Solve for x
    x = 704,202,834,789,953.25/30,610,029.12
  6. Step 6: Final answer
    x = 23,005,624.46

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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.