Home / 31,862,495.10-47,793,742.65-9,145,688.70

Finding the Fourth Proportional to 31,862,495.10, 47,793,742.65 and 9,145,688.70

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Solution

The fourth proportional to 31,862,495.10, 47,793,742.65 and 9,145,688.70 is: 13,718,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862,495.10 : 47,793,742.65 = 9,145,688.70 : x
  2. Step 2: Convert to fraction form
    31,862,495.10/47,793,742.65 = 9,145,688.70/x
  3. Step 3: Cross multiply
    31,862,495.10x = 47,793,742.65 × 9,145,688.70
  4. Step 4: Simplify right side
    31,862,495.10x = 437,106,692,084,813
  5. Step 5: Solve for x
    x = 437,106,692,084,813/31,862,495.10
  6. Step 6: Final answer
    x = 13,718,533.05

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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.