Home / 28,466,155.40-42,699,332.94-6,900,669.32

Finding the Fourth Proportional to 28,466,155.40, 42,699,332.94 and 6,900,669.32

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Solution

The fourth proportional to 28,466,155.40, 42,699,332.94 and 6,900,669.32 is: 10,351,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466,155.40 : 42,699,332.94 = 6,900,669.32 : x
  2. Step 2: Convert to fraction form
    28,466,155.40/42,699,332.94 = 6,900,669.32/x
  3. Step 3: Cross multiply
    28,466,155.40x = 42,699,332.94 × 6,900,669.32
  4. Step 4: Simplify right side
    28,466,155.40x = 294,653,976,803,523.38
  5. Step 5: Solve for x
    x = 294,653,976,803,523.38/28,466,155.40
  6. Step 6: Final answer
    x = 10,351,028.18

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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.