Home / 12,997,926.47-19,465,943.68-7,521,476.57

Finding the Fourth Proportional to 12,997,926.47, 19,465,943.68 and 7,521,476.57

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Solution

The fourth proportional to 12,997,926.47, 19,465,943.68 and 7,521,476.57 is: 11,264,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,926.47 : 19,465,943.68 = 7,521,476.57 : x
  2. Step 2: Convert to fraction form
    12,997,926.47/19,465,943.68 = 7,521,476.57/x
  3. Step 3: Cross multiply
    12,997,926.47x = 19,465,943.68 × 7,521,476.57
  4. Step 4: Simplify right side
    12,997,926.47x = 146,412,639,302,059.59
  5. Step 5: Solve for x
    x = 146,412,639,302,059.59/12,997,926.47
  6. Step 6: Final answer
    x = 11,264,307.40

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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.