Home / 30,369,615.40-45,558,359.70-15,024,748.60

Finding the Fourth Proportional to 30,369,615.40, 45,558,359.70 and 15,024,748.60

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Solution

The fourth proportional to 30,369,615.40, 45,558,359.70 and 15,024,748.60 is: 22,539,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369,615.40 : 45,558,359.70 = 15,024,748.60 : x
  2. Step 2: Convert to fraction form
    30,369,615.40/45,558,359.70 = 15,024,748.60/x
  3. Step 3: Cross multiply
    30,369,615.40x = 45,558,359.70 × 15,024,748.60
  4. Step 4: Simplify right side
    30,369,615.40x = 684,502,901,120,871.50
  5. Step 5: Solve for x
    x = 684,502,901,120,871.50/30,369,615.40
  6. Step 6: Final answer
    x = 22,539,070.45

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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.