Home / 13,121,205.20-19,681,807.80-4,598,466.20

Finding the Fourth Proportional to 13,121,205.20, 19,681,807.80 and 4,598,466.20

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Solution

The fourth proportional to 13,121,205.20, 19,681,807.80 and 4,598,466.20 is: 6,897,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,205.20 : 19,681,807.80 = 4,598,466.20 : x
  2. Step 2: Convert to fraction form
    13,121,205.20/19,681,807.80 = 4,598,466.20/x
  3. Step 3: Cross multiply
    13,121,205.20x = 19,681,807.80 × 4,598,466.20
  4. Step 4: Simplify right side
    13,121,205.20x = 90,506,127,923,196.36
  5. Step 5: Solve for x
    x = 90,506,127,923,196.36/13,121,205.20
  6. Step 6: Final answer
    x = 6,897,699.30

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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.