Home / 8,688,746.80-13,037,785.80-3,640,567.60

Finding the Fourth Proportional to 8,688,746.80, 13,037,785.80 and 3,640,567.60

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Solution

The fourth proportional to 8,688,746.80, 13,037,785.80 and 3,640,567.60 is: 5,462,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,746.80 : 13,037,785.80 = 3,640,567.60 : x
  2. Step 2: Convert to fraction form
    8,688,746.80/13,037,785.80 = 3,640,567.60/x
  3. Step 3: Cross multiply
    8,688,746.80x = 13,037,785.80 × 3,640,567.60
  4. Step 4: Simplify right side
    8,688,746.80x = 47,464,940,559,220.09
  5. Step 5: Solve for x
    x = 47,464,940,559,220.09/8,688,746.80
  6. Step 6: Final answer
    x = 5,462,806.28

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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.