Home / 13,361,487.30-18,439,066.80-7,249,915.80

Finding the Fourth Proportional to 13,361,487.30, 18,439,066.80 and 7,249,915.80

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Solution

The fourth proportional to 13,361,487.30, 18,439,066.80 and 7,249,915.80 is: 10,005,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,487.30 : 18,439,066.80 = 7,249,915.80 : x
  2. Step 2: Convert to fraction form
    13,361,487.30/18,439,066.80 = 7,249,915.80/x
  3. Step 3: Cross multiply
    13,361,487.30x = 18,439,066.80 × 7,249,915.80
  4. Step 4: Simplify right side
    13,361,487.30x = 133,681,681,730,575.44
  5. Step 5: Solve for x
    x = 133,681,681,730,575.44/13,361,487.30
  6. Step 6: Final answer
    x = 10,005,000.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.