Home / 7,888,214.40-11,807,438.40-5,648,726.40

Finding the Fourth Proportional to 7,888,214.40, 11,807,438.40 and 5,648,726.40

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Solution

The fourth proportional to 7,888,214.40, 11,807,438.40 and 5,648,726.40 is: 8,455,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,214.40 : 11,807,438.40 = 5,648,726.40 : x
  2. Step 2: Convert to fraction form
    7,888,214.40/11,807,438.40 = 5,648,726.40/x
  3. Step 3: Cross multiply
    7,888,214.40x = 11,807,438.40 × 5,648,726.40
  4. Step 4: Simplify right side
    7,888,214.40x = 66,696,989,006,453.77
  5. Step 5: Solve for x
    x = 66,696,989,006,453.77/7,888,214.40
  6. Step 6: Final answer
    x = 8,455,270.82

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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.