Home / 28,135,005.48-42,196,603.02-7,935,523.56

Finding the Fourth Proportional to 28,135,005.48, 42,196,603.02 and 7,935,523.56

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Solution

The fourth proportional to 28,135,005.48, 42,196,603.02 and 7,935,523.56 is: 11,901,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,005.48 : 42,196,603.02 = 7,935,523.56 : x
  2. Step 2: Convert to fraction form
    28,135,005.48/42,196,603.02 = 7,935,523.56/x
  3. Step 3: Cross multiply
    28,135,005.48x = 42,196,603.02 × 7,935,523.56
  4. Step 4: Simplify right side
    28,135,005.48x = 334,852,137,417,177.19
  5. Step 5: Solve for x
    x = 334,852,137,417,177.19/28,135,005.48
  6. Step 6: Final answer
    x = 11,901,619.77

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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.