Home / 20,696,307.60-31,044,461.40-20,360,384.40

Finding the Fourth Proportional to 20,696,307.60, 31,044,461.40 and 20,360,384.40

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Solution

The fourth proportional to 20,696,307.60, 31,044,461.40 and 20,360,384.40 is: 30,540,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,307.60 : 31,044,461.40 = 20,360,384.40 : x
  2. Step 2: Convert to fraction form
    20,696,307.60/31,044,461.40 = 20,360,384.40/x
  3. Step 3: Cross multiply
    20,696,307.60x = 31,044,461.40 × 20,360,384.40
  4. Step 4: Simplify right side
    20,696,307.60x = 632,077,167,594,962.12
  5. Step 5: Solve for x
    x = 632,077,167,594,962.12/20,696,307.60
  6. Step 6: Final answer
    x = 30,540,576.60

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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.