Home / 18,951,434.18-26,152,978.78-10,249,606.72

Finding the Fourth Proportional to 18,951,434.18, 26,152,978.78 and 10,249,606.72

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Solution

The fourth proportional to 18,951,434.18, 26,152,978.78 and 10,249,606.72 is: 14,144,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,434.18 : 26,152,978.78 = 10,249,606.72 : x
  2. Step 2: Convert to fraction form
    18,951,434.18/26,152,978.78 = 10,249,606.72/x
  3. Step 3: Cross multiply
    18,951,434.18x = 26,152,978.78 × 10,249,606.72
  4. Step 4: Simplify right side
    18,951,434.18x = 268,057,747,051,505.44
  5. Step 5: Solve for x
    x = 268,057,747,051,505.44/18,951,434.18
  6. Step 6: Final answer
    x = 14,144,457.06

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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.