Home / 9,663,679-13,335,537.08-5,312,733.76

Finding the Fourth Proportional to 9,663,679, 13,335,537.08 and 5,312,733.76

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Solution

The fourth proportional to 9,663,679, 13,335,537.08 and 5,312,733.76 is: 7,331,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,679 : 13,335,537.08 = 5,312,733.76 : x
  2. Step 2: Convert to fraction form
    9,663,679/13,335,537.08 = 5,312,733.76/x
  3. Step 3: Cross multiply
    9,663,679x = 13,335,537.08 × 5,312,733.76
  4. Step 4: Simplify right side
    9,663,679x = 70,848,158,052,647.81
  5. Step 5: Solve for x
    x = 70,848,158,052,647.81/9,663,679
  6. Step 6: Final answer
    x = 7,331,385.70

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1.5x scale

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.