Home / 8,908,045.80-13,362,068.70-6,640,564.20

Finding the Fourth Proportional to 8,908,045.80, 13,362,068.70 and 6,640,564.20

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Solution

The fourth proportional to 8,908,045.80, 13,362,068.70 and 6,640,564.20 is: 9,960,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,045.80 : 13,362,068.70 = 6,640,564.20 : x
  2. Step 2: Convert to fraction form
    8,908,045.80/13,362,068.70 = 6,640,564.20/x
  3. Step 3: Cross multiply
    8,908,045.80x = 13,362,068.70 × 6,640,564.20
  4. Step 4: Simplify right side
    8,908,045.80x = 88,731,675,047,160.53
  5. Step 5: Solve for x
    x = 88,731,675,047,160.53/8,908,045.80
  6. Step 6: Final answer
    x = 9,960,846.30

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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.