Home / 20,756,307.70-31,134,461.55-14,697,880.30

Finding the Fourth Proportional to 20,756,307.70, 31,134,461.55 and 14,697,880.30

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Solution

The fourth proportional to 20,756,307.70, 31,134,461.55 and 14,697,880.30 is: 22,046,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756,307.70 : 31,134,461.55 = 14,697,880.30 : x
  2. Step 2: Convert to fraction form
    20,756,307.70/31,134,461.55 = 14,697,880.30/x
  3. Step 3: Cross multiply
    20,756,307.70x = 31,134,461.55 × 14,697,880.30
  4. Step 4: Simplify right side
    20,756,307.70x = 457,610,589,066,852.50
  5. Step 5: Solve for x
    x = 457,610,589,066,852.50/20,756,307.70
  6. Step 6: Final answer
    x = 22,046,820.45

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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.