Home / 22,988,391.65-31,731,667.90-13,698,875.75

Finding the Fourth Proportional to 22,988,391.65, 31,731,667.90 and 13,698,875.75

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Solution

The fourth proportional to 22,988,391.65, 31,731,667.90 and 13,698,875.75 is: 18,909,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988,391.65 : 31,731,667.90 = 13,698,875.75 : x
  2. Step 2: Convert to fraction form
    22,988,391.65/31,731,667.90 = 13,698,875.75/x
  3. Step 3: Cross multiply
    22,988,391.65x = 31,731,667.90 × 13,698,875.75
  4. Step 4: Simplify right side
    22,988,391.65x = 434,688,176,018,777.69
  5. Step 5: Solve for x
    x = 434,688,176,018,777.69/22,988,391.65
  6. Step 6: Final answer
    x = 18,909,029.51

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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.