Home / 12,318,091.80-18,477,283.50-7,461,457.35

Finding the Fourth Proportional to 12,318,091.80, 18,477,283.50 and 7,461,457.35

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Solution

The fourth proportional to 12,318,091.80, 18,477,283.50 and 7,461,457.35 is: 11,192,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,091.80 : 18,477,283.50 = 7,461,457.35 : x
  2. Step 2: Convert to fraction form
    12,318,091.80/18,477,283.50 = 7,461,457.35/x
  3. Step 3: Cross multiply
    12,318,091.80x = 18,477,283.50 × 7,461,457.35
  4. Step 4: Simplify right side
    12,318,091.80x = 137,867,462,779,108.72
  5. Step 5: Solve for x
    x = 137,867,462,779,108.72/12,318,091.80
  6. Step 6: Final answer
    x = 11,192,274.34

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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.