Home / 19,249,920.90-28,874,881.35-12,083,559.30

Finding the Fourth Proportional to 19,249,920.90, 28,874,881.35 and 12,083,559.30

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Solution

The fourth proportional to 19,249,920.90, 28,874,881.35 and 12,083,559.30 is: 18,125,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,920.90 : 28,874,881.35 = 12,083,559.30 : x
  2. Step 2: Convert to fraction form
    19,249,920.90/28,874,881.35 = 12,083,559.30/x
  3. Step 3: Cross multiply
    19,249,920.90x = 28,874,881.35 × 12,083,559.30
  4. Step 4: Simplify right side
    19,249,920.90x = 348,911,341,073,189.12
  5. Step 5: Solve for x
    x = 348,911,341,073,189.12/19,249,920.90
  6. Step 6: Final answer
    x = 18,125,338.95

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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.