Home / 14,157,426.81-19,536,603.25-7,878,264.58

Finding the Fourth Proportional to 14,157,426.81, 19,536,603.25 and 7,878,264.58

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Solution

The fourth proportional to 14,157,426.81, 19,536,603.25 and 7,878,264.58 is: 10,871,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157,426.81 : 19,536,603.25 = 7,878,264.58 : x
  2. Step 2: Convert to fraction form
    14,157,426.81/19,536,603.25 = 7,878,264.58/x
  3. Step 3: Cross multiply
    14,157,426.81x = 19,536,603.25 × 7,878,264.58
  4. Step 4: Simplify right side
    14,157,426.81x = 153,914,529,307,591.31
  5. Step 5: Solve for x
    x = 153,914,529,307,591.31/14,157,426.81
  6. Step 6: Final answer
    x = 10,871,645.77

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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.