Home / 13,001,960.10-19,502,940.15-3,418,307.40

Finding the Fourth Proportional to 13,001,960.10, 19,502,940.15 and 3,418,307.40

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Solution

The fourth proportional to 13,001,960.10, 19,502,940.15 and 3,418,307.40 is: 5,127,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,960.10 : 19,502,940.15 = 3,418,307.40 : x
  2. Step 2: Convert to fraction form
    13,001,960.10/19,502,940.15 = 3,418,307.40/x
  3. Step 3: Cross multiply
    13,001,960.10x = 19,502,940.15 × 3,418,307.40
  4. Step 4: Simplify right side
    13,001,960.10x = 66,667,044,636,502.10
  5. Step 5: Solve for x
    x = 66,667,044,636,502.10/13,001,960.10
  6. Step 6: Final answer
    x = 5,127,461.10

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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.