Home / 12,457,860.40-18,686,790.60-8,804,695.60

Finding the Fourth Proportional to 12,457,860.40, 18,686,790.60 and 8,804,695.60

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Solution

The fourth proportional to 12,457,860.40, 18,686,790.60 and 8,804,695.60 is: 13,207,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,860.40 : 18,686,790.60 = 8,804,695.60 : x
  2. Step 2: Convert to fraction form
    12,457,860.40/18,686,790.60 = 8,804,695.60/x
  3. Step 3: Cross multiply
    12,457,860.40x = 18,686,790.60 × 8,804,695.60
  4. Step 4: Simplify right side
    12,457,860.40x = 164,531,502,973,941.38
  5. Step 5: Solve for x
    x = 164,531,502,973,941.38/12,457,860.40
  6. Step 6: Final answer
    x = 13,207,043.40

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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.