Home / 19,415,946.10-29,123,919.15-19,164,003.70

Finding the Fourth Proportional to 19,415,946.10, 29,123,919.15 and 19,164,003.70

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Solution

The fourth proportional to 19,415,946.10, 29,123,919.15 and 19,164,003.70 is: 28,746,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,946.10 : 29,123,919.15 = 19,164,003.70 : x
  2. Step 2: Convert to fraction form
    19,415,946.10/29,123,919.15 = 19,164,003.70/x
  3. Step 3: Cross multiply
    19,415,946.10x = 29,123,919.15 × 19,164,003.70
  4. Step 4: Simplify right side
    19,415,946.10x = 558,130,894,349,100.81
  5. Step 5: Solve for x
    x = 558,130,894,349,100.81/19,415,946.10
  6. Step 6: Final answer
    x = 28,746,005.55

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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.