Home / 9,078,578.21-12,528,362.81-4,948,534.28

Finding the Fourth Proportional to 9,078,578.21, 12,528,362.81 and 4,948,534.28

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Solution

The fourth proportional to 9,078,578.21, 12,528,362.81 and 4,948,534.28 is: 6,828,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,578.21 : 12,528,362.81 = 4,948,534.28 : x
  2. Step 2: Convert to fraction form
    9,078,578.21/12,528,362.81 = 4,948,534.28/x
  3. Step 3: Cross multiply
    9,078,578.21x = 12,528,362.81 × 4,948,534.28
  4. Step 4: Simplify right side
    9,078,578.21x = 61,997,032,881,254.37
  5. Step 5: Solve for x
    x = 61,997,032,881,254.37/9,078,578.21
  6. Step 6: Final answer
    x = 6,828,936.36

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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.