Home / 12,762,837.60-19,144,256.40-4,783,624.80

Finding the Fourth Proportional to 12,762,837.60, 19,144,256.40 and 4,783,624.80

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Solution

The fourth proportional to 12,762,837.60, 19,144,256.40 and 4,783,624.80 is: 7,175,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,837.60 : 19,144,256.40 = 4,783,624.80 : x
  2. Step 2: Convert to fraction form
    12,762,837.60/19,144,256.40 = 4,783,624.80/x
  3. Step 3: Cross multiply
    12,762,837.60x = 19,144,256.40 × 4,783,624.80
  4. Step 4: Simplify right side
    12,762,837.60x = 91,578,939,692,598.70
  5. Step 5: Solve for x
    x = 91,578,939,692,598.70/12,762,837.60
  6. Step 6: Final answer
    x = 7,175,437.20

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1.5x scale

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.