Home / 9,663,640.88-13,335,484.61-5,312,695.50

Finding the Fourth Proportional to 9,663,640.88, 13,335,484.61 and 5,312,695.50

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Solution

The fourth proportional to 9,663,640.88, 13,335,484.61 and 5,312,695.50 is: 7,331,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,640.88 : 13,335,484.61 = 5,312,695.50 : x
  2. Step 2: Convert to fraction form
    9,663,640.88/13,335,484.61 = 5,312,695.50/x
  3. Step 3: Cross multiply
    9,663,640.88x = 13,335,484.61 × 5,312,695.50
  4. Step 4: Simplify right side
    9,663,640.88x = 70,847,369,091,148
  5. Step 5: Solve for x
    x = 70,847,369,091,148/9,663,640.88
  6. Step 6: Final answer
    x = 7,331,332.98

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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.