Home / 21,492,017.40-32,238,026.10-21,292,951.80

Finding the Fourth Proportional to 21,492,017.40, 32,238,026.10 and 21,292,951.80

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Solution

The fourth proportional to 21,492,017.40, 32,238,026.10 and 21,292,951.80 is: 31,939,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,017.40 : 32,238,026.10 = 21,292,951.80 : x
  2. Step 2: Convert to fraction form
    21,492,017.40/32,238,026.10 = 21,292,951.80/x
  3. Step 3: Cross multiply
    21,492,017.40x = 32,238,026.10 × 21,292,951.80
  4. Step 4: Simplify right side
    21,492,017.40x = 686,442,735,874,442
  5. Step 5: Solve for x
    x = 686,442,735,874,442/21,492,017.40
  6. Step 6: Final answer
    x = 31,939,427.70

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1.5x scale

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.