Home / 13,235,856.93-19,792,834.52-12,590,155.71

Finding the Fourth Proportional to 13,235,856.93, 19,792,834.52 and 12,590,155.71

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Solution

The fourth proportional to 13,235,856.93, 19,792,834.52 and 12,590,155.71 is: 18,827,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,856.93 : 19,792,834.52 = 12,590,155.71 : x
  2. Step 2: Convert to fraction form
    13,235,856.93/19,792,834.52 = 12,590,155.71/x
  3. Step 3: Cross multiply
    13,235,856.93x = 19,792,834.52 × 12,590,155.71
  4. Step 4: Simplify right side
    13,235,856.93x = 249,194,868,486,112.34
  5. Step 5: Solve for x
    x = 249,194,868,486,112.34/13,235,856.93
  6. Step 6: Final answer
    x = 18,827,256.13

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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.