Home / 8,662,569.84-12,989,369.16-4,617,971.28

Finding the Fourth Proportional to 8,662,569.84, 12,989,369.16 and 4,617,971.28

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Solution

The fourth proportional to 8,662,569.84, 12,989,369.16 and 4,617,971.28 is: 6,924,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,569.84 : 12,989,369.16 = 4,617,971.28 : x
  2. Step 2: Convert to fraction form
    8,662,569.84/12,989,369.16 = 4,617,971.28/x
  3. Step 3: Cross multiply
    8,662,569.84x = 12,989,369.16 × 4,617,971.28
  4. Step 4: Simplify right side
    8,662,569.84x = 59,984,533,726,197.73
  5. Step 5: Solve for x
    x = 59,984,533,726,197.73/8,662,569.84
  6. Step 6: Final answer
    x = 6,924,565.67

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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.