Home / 39,705,092.70-59,557,639.05-12,778,748.70

Finding the Fourth Proportional to 39,705,092.70, 59,557,639.05 and 12,778,748.70

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Solution

The fourth proportional to 39,705,092.70, 59,557,639.05 and 12,778,748.70 is: 19,168,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705,092.70 : 59,557,639.05 = 12,778,748.70 : x
  2. Step 2: Convert to fraction form
    39,705,092.70/59,557,639.05 = 12,778,748.70/x
  3. Step 3: Cross multiply
    39,705,092.70x = 59,557,639.05 × 12,778,748.70
  4. Step 4: Simplify right side
    39,705,092.70x = 761,072,102,585,256.62
  5. Step 5: Solve for x
    x = 761,072,102,585,256.62/39,705,092.70
  6. Step 6: Final answer
    x = 19,168,123.05

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1.5x scale

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.