Home / 30,006,690.76-44,935,386.54-20,989,019.08

Finding the Fourth Proportional to 30,006,690.76, 44,935,386.54 and 20,989,019.08

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Solution

The fourth proportional to 30,006,690.76, 44,935,386.54 and 20,989,019.08 is: 31,431,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006,690.76 : 44,935,386.54 = 20,989,019.08 : x
  2. Step 2: Convert to fraction form
    30,006,690.76/44,935,386.54 = 20,989,019.08/x
  3. Step 3: Cross multiply
    30,006,690.76x = 44,935,386.54 × 20,989,019.08
  4. Step 4: Simplify right side
    30,006,690.76x = 943,149,685,455,235.12
  5. Step 5: Solve for x
    x = 943,149,685,455,235.12/30,006,690.76
  6. Step 6: Final answer
    x = 31,431,312.87

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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.