Home / 10,048,928.67-13,867,528.40-5,638,045.40

Finding the Fourth Proportional to 10,048,928.67, 13,867,528.40 and 5,638,045.40

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Solution

The fourth proportional to 10,048,928.67, 13,867,528.40 and 5,638,045.40 is: 7,780,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048,928.67 : 13,867,528.40 = 5,638,045.40 : x
  2. Step 2: Convert to fraction form
    10,048,928.67/13,867,528.40 = 5,638,045.40/x
  3. Step 3: Cross multiply
    10,048,928.67x = 13,867,528.40 × 5,638,045.40
  4. Step 4: Simplify right side
    10,048,928.67x = 78,185,754,790,326.25
  5. Step 5: Solve for x
    x = 78,185,754,790,326.25/10,048,928.67
  6. Step 6: Final answer
    x = 7,780,506.50

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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.