Home / 47,291,210.60-70,936,815.90-13,212,501.80

Finding the Fourth Proportional to 47,291,210.60, 70,936,815.90 and 13,212,501.80

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Solution

The fourth proportional to 47,291,210.60, 70,936,815.90 and 13,212,501.80 is: 19,818,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291,210.60 : 70,936,815.90 = 13,212,501.80 : x
  2. Step 2: Convert to fraction form
    47,291,210.60/70,936,815.90 = 13,212,501.80/x
  3. Step 3: Cross multiply
    47,291,210.60x = 70,936,815.90 × 13,212,501.80
  4. Step 4: Simplify right side
    47,291,210.60x = 937,252,807,765,018.75
  5. Step 5: Solve for x
    x = 937,252,807,765,018.75/47,291,210.60
  6. Step 6: Final answer
    x = 19,818,752.70

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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.