Home / 13,237,769.40-19,861,319.70-12,771,209.40

Finding the Fourth Proportional to 13,237,769.40, 19,861,319.70 and 12,771,209.40

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Solution

The fourth proportional to 13,237,769.40, 19,861,319.70 and 12,771,209.40 is: 19,161,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,769.40 : 19,861,319.70 = 12,771,209.40 : x
  2. Step 2: Convert to fraction form
    13,237,769.40/19,861,319.70 = 12,771,209.40/x
  3. Step 3: Cross multiply
    13,237,769.40x = 19,861,319.70 × 12,771,209.40
  4. Step 4: Simplify right side
    13,237,769.40x = 253,653,072,849,045.19
  5. Step 5: Solve for x
    x = 253,653,072,849,045.19/13,237,769.40
  6. Step 6: Final answer
    x = 19,161,315.26

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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.