Home / 19,010,423.90-28,494,640.65-10,496,870.30

Finding the Fourth Proportional to 19,010,423.90, 28,494,640.65 and 10,496,870.30

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Solution

The fourth proportional to 19,010,423.90, 28,494,640.65 and 10,496,870.30 is: 15,733,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,423.90 : 28,494,640.65 = 10,496,870.30 : x
  2. Step 2: Convert to fraction form
    19,010,423.90/28,494,640.65 = 10,496,870.30/x
  3. Step 3: Cross multiply
    19,010,423.90x = 28,494,640.65 × 10,496,870.30
  4. Step 4: Simplify right side
    19,010,423.90x = 299,104,547,148,157.69
  5. Step 5: Solve for x
    x = 299,104,547,148,157.69/19,010,423.90
  6. Step 6: Final answer
    x = 15,733,712.66

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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.