Home / 19,005,339.07-26,249,019.16-12,883,138.75

Finding the Fourth Proportional to 19,005,339.07, 26,249,019.16 and 12,883,138.75

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Solution

The fourth proportional to 19,005,339.07, 26,249,019.16 and 12,883,138.75 is: 17,793,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005,339.07 : 26,249,019.16 = 12,883,138.75 : x
  2. Step 2: Convert to fraction form
    19,005,339.07/26,249,019.16 = 12,883,138.75/x
  3. Step 3: Cross multiply
    19,005,339.07x = 26,249,019.16 × 12,883,138.75
  4. Step 4: Simplify right side
    19,005,339.07x = 338,169,755,889,688.44
  5. Step 5: Solve for x
    x = 338,169,755,889,688.44/19,005,339.07
  6. Step 6: Final answer
    x = 17,793,408.19

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1.5x scale

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.