Home / 7,686,643.36-11,513,168.88-3,893,614.24

Finding the Fourth Proportional to 7,686,643.36, 11,513,168.88 and 3,893,614.24

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Solution

The fourth proportional to 7,686,643.36, 11,513,168.88 and 3,893,614.24 is: 5,831,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,643.36 : 11,513,168.88 = 3,893,614.24 : x
  2. Step 2: Convert to fraction form
    7,686,643.36/11,513,168.88 = 3,893,614.24/x
  3. Step 3: Cross multiply
    7,686,643.36x = 11,513,168.88 × 3,893,614.24
  4. Step 4: Simplify right side
    7,686,643.36x = 44,827,838,298,692.86
  5. Step 5: Solve for x
    x = 44,827,838,298,692.86/7,686,643.36
  6. Step 6: Final answer
    x = 5,831,913.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.