Home / 31,207,907.60-46,748,875.80-17,728,989.20

Finding the Fourth Proportional to 31,207,907.60, 46,748,875.80 and 17,728,989.20

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Solution

The fourth proportional to 31,207,907.60, 46,748,875.80 and 17,728,989.20 is: 26,557,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207,907.60 : 46,748,875.80 = 17,728,989.20 : x
  2. Step 2: Convert to fraction form
    31,207,907.60/46,748,875.80 = 17,728,989.20/x
  3. Step 3: Cross multiply
    31,207,907.60x = 46,748,875.80 × 17,728,989.20
  4. Step 4: Simplify right side
    31,207,907.60x = 828,810,314,170,341.25
  5. Step 5: Solve for x
    x = 828,810,314,170,341.25/31,207,907.60
  6. Step 6: Final answer
    x = 26,557,702.13

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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.