Home / 12,938,709.32-17,849,911.38-9,494,966.60

Finding the Fourth Proportional to 12,938,709.32, 17,849,911.38 and 9,494,966.60

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Solution

The fourth proportional to 12,938,709.32, 17,849,911.38 and 9,494,966.60 is: 13,099,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,709.32 : 17,849,911.38 = 9,494,966.60 : x
  2. Step 2: Convert to fraction form
    12,938,709.32/17,849,911.38 = 9,494,966.60/x
  3. Step 3: Cross multiply
    12,938,709.32x = 17,849,911.38 × 9,494,966.60
  4. Step 4: Simplify right side
    12,938,709.32x = 169,484,312,366,059.91
  5. Step 5: Solve for x
    x = 169,484,312,366,059.91/12,938,709.32
  6. Step 6: Final answer
    x = 13,099,012.29

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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.