Home / 18,951,206.78-26,152,665.38-10,249,379.35

Finding the Fourth Proportional to 18,951,206.78, 26,152,665.38 and 10,249,379.35

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Solution

The fourth proportional to 18,951,206.78, 26,152,665.38 and 10,249,379.35 is: 14,144,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,206.78 : 26,152,665.38 = 10,249,379.35 : x
  2. Step 2: Convert to fraction form
    18,951,206.78/26,152,665.38 = 10,249,379.35/x
  3. Step 3: Cross multiply
    18,951,206.78x = 26,152,665.38 × 10,249,379.35
  4. Step 4: Simplify right side
    18,951,206.78x = 268,048,588,415,038.53
  5. Step 5: Solve for x
    x = 268,048,588,415,038.53/18,951,206.78
  6. Step 6: Final answer
    x = 14,144,143.51

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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.