Home / 8,905,258.21-12,289,279.95-4,830,877.21

Finding the Fourth Proportional to 8,905,258.21, 12,289,279.95 and 4,830,877.21

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Solution

The fourth proportional to 8,905,258.21, 12,289,279.95 and 4,830,877.21 is: 6,666,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,258.21 : 12,289,279.95 = 4,830,877.21 : x
  2. Step 2: Convert to fraction form
    8,905,258.21/12,289,279.95 = 4,830,877.21/x
  3. Step 3: Cross multiply
    8,905,258.21x = 12,289,279.95 × 4,830,877.21
  4. Step 4: Simplify right side
    8,905,258.21x = 59,368,002,437,764.94
  5. Step 5: Solve for x
    x = 59,368,002,437,764.94/8,905,258.21
  6. Step 6: Final answer
    x = 6,666,623.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.