Home / 19,893,436.50-29,840,154.81-6,430,264.50

Finding the Fourth Proportional to 19,893,436.50, 29,840,154.81 and 6,430,264.50

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Solution

The fourth proportional to 19,893,436.50, 29,840,154.81 and 6,430,264.50 is: 9,645,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893,436.50 : 29,840,154.81 = 6,430,264.50 : x
  2. Step 2: Convert to fraction form
    19,893,436.50/29,840,154.81 = 6,430,264.50/x
  3. Step 3: Cross multiply
    19,893,436.50x = 29,840,154.81 × 6,430,264.50
  4. Step 4: Simplify right side
    19,893,436.50x = 191,880,088,149,247.25
  5. Step 5: Solve for x
    x = 191,880,088,149,247.25/19,893,436.50
  6. Step 6: Final answer
    x = 9,645,396.77

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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.