Home / 8,364,963.40-12,559,886.70-6,473,840.20

Finding the Fourth Proportional to 8,364,963.40, 12,559,886.70 and 6,473,840.20

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Solution

The fourth proportional to 8,364,963.40, 12,559,886.70 and 6,473,840.20 is: 9,720,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364,963.40 : 12,559,886.70 = 6,473,840.20 : x
  2. Step 2: Convert to fraction form
    8,364,963.40/12,559,886.70 = 6,473,840.20/x
  3. Step 3: Cross multiply
    8,364,963.40x = 12,559,886.70 × 6,473,840.20
  4. Step 4: Simplify right side
    8,364,963.40x = 81,310,699,425,905.34
  5. Step 5: Solve for x
    x = 81,310,699,425,905.34/8,364,963.40
  6. Step 6: Final answer
    x = 9,720,389.14

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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.