Home / 12,931,290.80-19,384,494.60-10,051,060.40

Finding the Fourth Proportional to 12,931,290.80, 19,384,494.60 and 10,051,060.40

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Solution

The fourth proportional to 12,931,290.80, 19,384,494.60 and 10,051,060.40 is: 15,066,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,290.80 : 19,384,494.60 = 10,051,060.40 : x
  2. Step 2: Convert to fraction form
    12,931,290.80/19,384,494.60 = 10,051,060.40/x
  3. Step 3: Cross multiply
    12,931,290.80x = 19,384,494.60 × 10,051,060.40
  4. Step 4: Simplify right side
    12,931,290.80x = 194,834,726,048,073.88
  5. Step 5: Solve for x
    x = 194,834,726,048,073.88/12,931,290.80
  6. Step 6: Final answer
    x = 15,066,920.16

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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.