Home / 30,249,514.80-45,374,272.20-10,052,132.40

Finding the Fourth Proportional to 30,249,514.80, 45,374,272.20 and 10,052,132.40

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Solution

The fourth proportional to 30,249,514.80, 45,374,272.20 and 10,052,132.40 is: 15,078,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,514.80 : 45,374,272.20 = 10,052,132.40 : x
  2. Step 2: Convert to fraction form
    30,249,514.80/45,374,272.20 = 10,052,132.40/x
  3. Step 3: Cross multiply
    30,249,514.80x = 45,374,272.20 × 10,052,132.40
  4. Step 4: Simplify right side
    30,249,514.80x = 456,108,191,708,039.31
  5. Step 5: Solve for x
    x = 456,108,191,708,039.31/30,249,514.80
  6. Step 6: Final answer
    x = 15,078,198.60

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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.