Home / 42,754,703.20-64,132,054.80-12,463,554.40

Finding the Fourth Proportional to 42,754,703.20, 64,132,054.80 and 12,463,554.40

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Solution

The fourth proportional to 42,754,703.20, 64,132,054.80 and 12,463,554.40 is: 18,695,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,754,703.20 : 64,132,054.80 = 12,463,554.40 : x
  2. Step 2: Convert to fraction form
    42,754,703.20/64,132,054.80 = 12,463,554.40/x
  3. Step 3: Cross multiply
    42,754,703.20x = 64,132,054.80 × 12,463,554.40
  4. Step 4: Simplify right side
    42,754,703.20x = 799,313,353,783,581.12
  5. Step 5: Solve for x
    x = 799,313,353,783,581.12/42,754,703.20
  6. Step 6: Final answer
    x = 18,695,331.60

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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.