Home / 8,777,916.98-12,113,038.17-4,909,690.80

Finding the Fourth Proportional to 8,777,916.98, 12,113,038.17 and 4,909,690.80

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Solution

The fourth proportional to 8,777,916.98, 12,113,038.17 and 4,909,690.80 is: 6,775,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,916.98 : 12,113,038.17 = 4,909,690.80 : x
  2. Step 2: Convert to fraction form
    8,777,916.98/12,113,038.17 = 4,909,690.80/x
  3. Step 3: Cross multiply
    8,777,916.98x = 12,113,038.17 × 4,909,690.80
  4. Step 4: Simplify right side
    8,777,916.98x = 59,471,272,063,297.84
  5. Step 5: Solve for x
    x = 59,471,272,063,297.84/8,777,916.98
  6. Step 6: Final answer
    x = 6,775,100.77

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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.