Home / 13,346,977.60-20,020,466.40-4,828,628.80

Finding the Fourth Proportional to 13,346,977.60, 20,020,466.40 and 4,828,628.80

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Solution

The fourth proportional to 13,346,977.60, 20,020,466.40 and 4,828,628.80 is: 7,242,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,977.60 : 20,020,466.40 = 4,828,628.80 : x
  2. Step 2: Convert to fraction form
    13,346,977.60/20,020,466.40 = 4,828,628.80/x
  3. Step 3: Cross multiply
    13,346,977.60x = 20,020,466.40 × 4,828,628.80
  4. Step 4: Simplify right side
    13,346,977.60x = 96,671,400,648,472.31
  5. Step 5: Solve for x
    x = 96,671,400,648,472.31/13,346,977.60
  6. Step 6: Final answer
    x = 7,242,943.20

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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.