Home / 13,094,702.64-18,071,597.88-7,938,281.52

Finding the Fourth Proportional to 13,094,702.64, 18,071,597.88 and 7,938,281.52

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Solution

The fourth proportional to 13,094,702.64, 18,071,597.88 and 7,938,281.52 is: 10,955,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,702.64 : 18,071,597.88 = 7,938,281.52 : x
  2. Step 2: Convert to fraction form
    13,094,702.64/18,071,597.88 = 7,938,281.52/x
  3. Step 3: Cross multiply
    13,094,702.64x = 18,071,597.88 × 7,938,281.52
  4. Step 4: Simplify right side
    13,094,702.64x = 143,457,431,487,675.16
  5. Step 5: Solve for x
    x = 143,457,431,487,675.16/13,094,702.64
  6. Step 6: Final answer
    x = 10,955,379.09

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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.