Home / 31,009,958.78-46,543,681.80-15,668,031.22

Finding the Fourth Proportional to 31,009,958.78, 46,543,681.80 and 15,668,031.22

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Solution

The fourth proportional to 31,009,958.78, 46,543,681.80 and 15,668,031.22 is: 23,516,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009,958.78 : 46,543,681.80 = 15,668,031.22 : x
  2. Step 2: Convert to fraction form
    31,009,958.78/46,543,681.80 = 15,668,031.22/x
  3. Step 3: Cross multiply
    31,009,958.78x = 46,543,681.80 × 15,668,031.22
  4. Step 4: Simplify right side
    31,009,958.78x = 729,247,859,303,427.38
  5. Step 5: Solve for x
    x = 729,247,859,303,427.38/31,009,958.78
  6. Step 6: Final answer
    x = 23,516,569.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.