Home / 13,346,986.60-20,020,479.90-4,828,637.80

Finding the Fourth Proportional to 13,346,986.60, 20,020,479.90 and 4,828,637.80

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Solution

The fourth proportional to 13,346,986.60, 20,020,479.90 and 4,828,637.80 is: 7,242,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,986.60 : 20,020,479.90 = 4,828,637.80 : x
  2. Step 2: Convert to fraction form
    13,346,986.60/20,020,479.90 = 4,828,637.80/x
  3. Step 3: Cross multiply
    13,346,986.60x = 20,020,479.90 × 4,828,637.80
  4. Step 4: Simplify right side
    13,346,986.60x = 96,671,646,019,280.20
  5. Step 5: Solve for x
    x = 96,671,646,019,280.20/13,346,986.60
  6. Step 6: Final answer
    x = 7,242,956.70

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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.