Home / 9,330,386.61-12,875,993.63-5,200,679.98

Finding the Fourth Proportional to 9,330,386.61, 12,875,993.63 and 5,200,679.98

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Solution

The fourth proportional to 9,330,386.61, 12,875,993.63 and 5,200,679.98 is: 7,176,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330,386.61 : 12,875,993.63 = 5,200,679.98 : x
  2. Step 2: Convert to fraction form
    9,330,386.61/12,875,993.63 = 5,200,679.98/x
  3. Step 3: Cross multiply
    9,330,386.61x = 12,875,993.63 × 5,200,679.98
  4. Step 4: Simplify right side
    9,330,386.61x = 66,963,922,260,569.03
  5. Step 5: Solve for x
    x = 66,963,922,260,569.03/9,330,386.61
  6. Step 6: Final answer
    x = 7,176,971.87

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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.