Home / 7,152,542.41-9,870,695.59-3,889,547.98

Finding the Fourth Proportional to 7,152,542.41, 9,870,695.59 and 3,889,547.98

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Solution

The fourth proportional to 7,152,542.41, 9,870,695.59 and 3,889,547.98 is: 5,367,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,542.41 : 9,870,695.59 = 3,889,547.98 : x
  2. Step 2: Convert to fraction form
    7,152,542.41/9,870,695.59 = 3,889,547.98/x
  3. Step 3: Cross multiply
    7,152,542.41x = 9,870,695.59 × 3,889,547.98
  4. Step 4: Simplify right side
    7,152,542.41x = 38,392,544,043,925.93
  5. Step 5: Solve for x
    x = 38,392,544,043,925.93/7,152,542.41
  6. Step 6: Final answer
    x = 5,367,677.93

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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.