Home / 19,513,609.61-26,928,424.82-10,811,750.45

Finding the Fourth Proportional to 19,513,609.61, 26,928,424.82 and 10,811,750.45

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Solution

The fourth proportional to 19,513,609.61, 26,928,424.82 and 10,811,750.45 is: 14,920,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,609.61 : 26,928,424.82 = 10,811,750.45 : x
  2. Step 2: Convert to fraction form
    19,513,609.61/26,928,424.82 = 10,811,750.45/x
  3. Step 3: Cross multiply
    19,513,609.61x = 26,928,424.82 × 10,811,750.45
  4. Step 4: Simplify right side
    19,513,609.61x = 291,143,408,976,725.31
  5. Step 5: Solve for x
    x = 291,143,408,976,725.31/19,513,609.61
  6. Step 6: Final answer
    x = 14,920,018.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.