Home / 42,772,612.40-64,152,697.80-12,477,316.40

Finding the Fourth Proportional to 42,772,612.40, 64,152,697.80 and 12,477,316.40

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Solution

The fourth proportional to 42,772,612.40, 64,152,697.80 and 12,477,316.40 is: 18,714,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772,612.40 : 64,152,697.80 = 12,477,316.40 : x
  2. Step 2: Convert to fraction form
    42,772,612.40/64,152,697.80 = 12,477,316.40/x
  3. Step 3: Cross multiply
    42,772,612.40x = 64,152,697.80 × 12,477,316.40
  4. Step 4: Simplify right side
    42,772,612.40x = 800,453,508,364,183.88
  5. Step 5: Solve for x
    x = 800,453,508,364,183.88/42,772,612.40
  6. Step 6: Final answer
    x = 18,714,159.91

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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.