Home / 8,637,542.25-12,900,314.84-7,826,307.40

Finding the Fourth Proportional to 8,637,542.25, 12,900,314.84 and 7,826,307.40

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Solution

The fourth proportional to 8,637,542.25, 12,900,314.84 and 7,826,307.40 is: 11,688,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637,542.25 : 12,900,314.84 = 7,826,307.40 : x
  2. Step 2: Convert to fraction form
    8,637,542.25/12,900,314.84 = 7,826,307.40/x
  3. Step 3: Cross multiply
    8,637,542.25x = 12,900,314.84 × 7,826,307.40
  4. Step 4: Simplify right side
    8,637,542.25x = 100,961,829,494,621.81
  5. Step 5: Solve for x
    x = 100,961,829,494,621.81/8,637,542.25
  6. Step 6: Final answer
    x = 11,688,721.93

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.