Home / 17,778,509.60-26,667,764.40-12,038,946.80

Finding the Fourth Proportional to 17,778,509.60, 26,667,764.40 and 12,038,946.80

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Solution

The fourth proportional to 17,778,509.60, 26,667,764.40 and 12,038,946.80 is: 18,058,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,509.60 : 26,667,764.40 = 12,038,946.80 : x
  2. Step 2: Convert to fraction form
    17,778,509.60/26,667,764.40 = 12,038,946.80/x
  3. Step 3: Cross multiply
    17,778,509.60x = 26,667,764.40 × 12,038,946.80
  4. Step 4: Simplify right side
    17,778,509.60x = 321,051,796,886,533.94
  5. Step 5: Solve for x
    x = 321,051,796,886,533.94/17,778,509.60
  6. Step 6: Final answer
    x = 18,058,420.20

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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.