Home / 12,249,992.89-16,905,966.47-7,093,445.41

Finding the Fourth Proportional to 12,249,992.89, 16,905,966.47 and 7,093,445.41

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Solution

The fourth proportional to 12,249,992.89, 16,905,966.47 and 7,093,445.41 is: 9,789,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,992.89 : 16,905,966.47 = 7,093,445.41 : x
  2. Step 2: Convert to fraction form
    12,249,992.89/16,905,966.47 = 7,093,445.41/x
  3. Step 3: Cross multiply
    12,249,992.89x = 16,905,966.47 × 7,093,445.41
  4. Step 4: Simplify right side
    12,249,992.89x = 119,921,550,258,235.39
  5. Step 5: Solve for x
    x = 119,921,550,258,235.39/12,249,992.89
  6. Step 6: Final answer
    x = 9,789,519.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.