Home / 19,478,731.86-26,889,259.41-11,641,009.14

Finding the Fourth Proportional to 19,478,731.86, 26,889,259.41 and 11,641,009.14

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Solution

The fourth proportional to 19,478,731.86, 26,889,259.41 and 11,641,009.14 is: 16,069,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,731.86 : 26,889,259.41 = 11,641,009.14 : x
  2. Step 2: Convert to fraction form
    19,478,731.86/26,889,259.41 = 11,641,009.14/x
  3. Step 3: Cross multiply
    19,478,731.86x = 26,889,259.41 × 11,641,009.14
  4. Step 4: Simplify right side
    19,478,731.86x = 313,018,114,559,641
  5. Step 5: Solve for x
    x = 313,018,114,559,641/19,478,731.86
  6. Step 6: Final answer
    x = 16,069,737.85

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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.