Home / 20,364,772.40-30,547,158.60-11,755,428.20

Finding the Fourth Proportional to 20,364,772.40, 30,547,158.60 and 11,755,428.20

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Solution

The fourth proportional to 20,364,772.40, 30,547,158.60 and 11,755,428.20 is: 17,633,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,772.40 : 30,547,158.60 = 11,755,428.20 : x
  2. Step 2: Convert to fraction form
    20,364,772.40/30,547,158.60 = 11,755,428.20/x
  3. Step 3: Cross multiply
    20,364,772.40x = 30,547,158.60 × 11,755,428.20
  4. Step 4: Simplify right side
    20,364,772.40x = 359,094,929,636,312.50
  5. Step 5: Solve for x
    x = 359,094,929,636,312.50/20,364,772.40
  6. Step 6: Final answer
    x = 17,633,142.30

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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.