Home / 30,165,671.34-45,262,423-13,775,980.16

Finding the Fourth Proportional to 30,165,671.34, 45,262,423 and 13,775,980.16

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Solution

The fourth proportional to 30,165,671.34, 45,262,423 and 13,775,980.16 is: 20,670,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,671.34 : 45,262,423 = 13,775,980.16 : x
  2. Step 2: Convert to fraction form
    30,165,671.34/45,262,423 = 13,775,980.16/x
  3. Step 3: Cross multiply
    30,165,671.34x = 45,262,423 × 13,775,980.16
  4. Step 4: Simplify right side
    30,165,671.34x = 623,534,241,241,527.62
  5. Step 5: Solve for x
    x = 623,534,241,241,527.62/30,165,671.34
  6. Step 6: Final answer
    x = 20,670,325.36

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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.