Home / 30,249,524.80-45,374,287.20-10,052,142.40

Finding the Fourth Proportional to 30,249,524.80, 45,374,287.20 and 10,052,142.40

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Solution

The fourth proportional to 30,249,524.80, 45,374,287.20 and 10,052,142.40 is: 15,078,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,524.80 : 45,374,287.20 = 10,052,142.40 : x
  2. Step 2: Convert to fraction form
    30,249,524.80/45,374,287.20 = 10,052,142.40/x
  3. Step 3: Cross multiply
    30,249,524.80x = 45,374,287.20 × 10,052,142.40
  4. Step 4: Simplify right side
    30,249,524.80x = 456,108,796,232,897.31
  5. Step 5: Solve for x
    x = 456,108,796,232,897.31/30,249,524.80
  6. Step 6: Final answer
    x = 15,078,213.60

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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.