Home / 12,931,230.80-19,384,404.60-10,051,000.40

Finding the Fourth Proportional to 12,931,230.80, 19,384,404.60 and 10,051,000.40

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Solution

The fourth proportional to 12,931,230.80, 19,384,404.60 and 10,051,000.40 is: 15,066,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,230.80 : 19,384,404.60 = 10,051,000.40 : x
  2. Step 2: Convert to fraction form
    12,931,230.80/19,384,404.60 = 10,051,000.40/x
  3. Step 3: Cross multiply
    12,931,230.80x = 19,384,404.60 × 10,051,000.40
  4. Step 4: Simplify right side
    12,931,230.80x = 194,832,658,388,361.88
  5. Step 5: Solve for x
    x = 194,832,658,388,361.88/12,931,230.80
  6. Step 6: Final answer
    x = 15,066,830.17

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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.