Home / 19,415,893.79-29,106,780.57-7,911,035.40

Finding the Fourth Proportional to 19,415,893.79, 29,106,780.57 and 7,911,035.40

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Solution

The fourth proportional to 19,415,893.79, 29,106,780.57 and 7,911,035.40 is: 11,859,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,893.79 : 29,106,780.57 = 7,911,035.40 : x
  2. Step 2: Convert to fraction form
    19,415,893.79/29,106,780.57 = 7,911,035.40/x
  3. Step 3: Cross multiply
    19,415,893.79x = 29,106,780.57 × 7,911,035.40
  4. Step 4: Simplify right side
    19,415,893.79x = 230,264,771,578,452.59
  5. Step 5: Solve for x
    x = 230,264,771,578,452.59/19,415,893.79
  6. Step 6: Final answer
    x = 11,859,601.93

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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.