Home / 12,528,037.60-18,792,041.82-3,430,205.08

Finding the Fourth Proportional to 12,528,037.60, 18,792,041.82 and 3,430,205.08

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Solution

The fourth proportional to 12,528,037.60, 18,792,041.82 and 3,430,205.08 is: 5,145,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,037.60 : 18,792,041.82 = 3,430,205.08 : x
  2. Step 2: Convert to fraction form
    12,528,037.60/18,792,041.82 = 3,430,205.08/x
  3. Step 3: Cross multiply
    12,528,037.60x = 18,792,041.82 × 3,430,205.08
  4. Step 4: Simplify right side
    12,528,037.60x = 64,460,557,314,536.45
  5. Step 5: Solve for x
    x = 64,460,557,314,536.45/12,528,037.60
  6. Step 6: Final answer
    x = 5,145,303.63

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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.