Home / 19,249,920.40-28,874,880.60-12,083,558.80

Finding the Fourth Proportional to 19,249,920.40, 28,874,880.60 and 12,083,558.80

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Solution

The fourth proportional to 19,249,920.40, 28,874,880.60 and 12,083,558.80 is: 18,125,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,920.40 : 28,874,880.60 = 12,083,558.80 : x
  2. Step 2: Convert to fraction form
    19,249,920.40/28,874,880.60 = 12,083,558.80/x
  3. Step 3: Cross multiply
    19,249,920.40x = 28,874,880.60 × 12,083,558.80
  4. Step 4: Simplify right side
    19,249,920.40x = 348,911,317,573,079.31
  5. Step 5: Solve for x
    x = 348,911,317,573,079.31/19,249,920.40
  6. Step 6: Final answer
    x = 18,125,338.20

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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.