Home / 13,031,285.60-19,565,590.80-7,362,581.60

Finding the Fourth Proportional to 13,031,285.60, 19,565,590.80 and 7,362,581.60

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Solution

The fourth proportional to 13,031,285.60, 19,565,590.80 and 7,362,581.60 is: 11,054,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031,285.60 : 19,565,590.80 = 7,362,581.60 : x
  2. Step 2: Convert to fraction form
    13,031,285.60/19,565,590.80 = 7,362,581.60/x
  3. Step 3: Cross multiply
    13,031,285.60x = 19,565,590.80 × 7,362,581.60
  4. Step 4: Simplify right side
    13,031,285.60x = 144,053,258,817,209.28
  5. Step 5: Solve for x
    x = 144,053,258,817,209.28/13,031,285.60
  6. Step 6: Final answer
    x = 11,054,416.52

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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.