Home / 13,498,480.44-18,636,595.02-12,045,678.21

Finding the Fourth Proportional to 13,498,480.44, 18,636,595.02 and 12,045,678.21

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Solution

The fourth proportional to 13,498,480.44, 18,636,595.02 and 12,045,678.21 is: 16,630,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498,480.44 : 18,636,595.02 = 12,045,678.21 : x
  2. Step 2: Convert to fraction form
    13,498,480.44/18,636,595.02 = 12,045,678.21/x
  3. Step 3: Cross multiply
    13,498,480.44x = 18,636,595.02 × 12,045,678.21
  4. Step 4: Simplify right side
    13,498,480.44x = 224,490,426,541,008.53
  5. Step 5: Solve for x
    x = 224,490,426,541,008.53/13,498,480.44
  6. Step 6: Final answer
    x = 16,630,792.45

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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.