Home / 9,078,557.40-12,528,032.28-4,948,497.68

Finding the Fourth Proportional to 9,078,557.40, 12,528,032.28 and 4,948,497.68

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Solution

The fourth proportional to 9,078,557.40, 12,528,032.28 and 4,948,497.68 is: 6,828,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,557.40 : 12,528,032.28 = 4,948,497.68 : x
  2. Step 2: Convert to fraction form
    9,078,557.40/12,528,032.28 = 4,948,497.68/x
  3. Step 3: Cross multiply
    9,078,557.40x = 12,528,032.28 × 4,948,497.68
  4. Step 4: Simplify right side
    9,078,557.40x = 61,994,938,672,545.10
  5. Step 5: Solve for x
    x = 61,994,938,672,545.10/9,078,557.40
  6. Step 6: Final answer
    x = 6,828,721.34

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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.