Home / 20,554,894.34-30,829,941.47-8,258,359.89

Finding the Fourth Proportional to 20,554,894.34, 30,829,941.47 and 8,258,359.89

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Solution

The fourth proportional to 20,554,894.34, 30,829,941.47 and 8,258,359.89 is: 12,386,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554,894.34 : 30,829,941.47 = 8,258,359.89 : x
  2. Step 2: Convert to fraction form
    20,554,894.34/30,829,941.47 = 8,258,359.89/x
  3. Step 3: Cross multiply
    20,554,894.34x = 30,829,941.47 × 8,258,359.89
  4. Step 4: Simplify right side
    20,554,894.34x = 254,604,752,005,603.81
  5. Step 5: Solve for x
    x = 254,604,752,005,603.81/20,554,894.34
  6. Step 6: Final answer
    x = 12,386,575.57

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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.