Home / 42,980,274.80-64,470,412.20-14,613,426.80

Finding the Fourth Proportional to 42,980,274.80, 64,470,412.20 and 14,613,426.80

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Solution

The fourth proportional to 42,980,274.80, 64,470,412.20 and 14,613,426.80 is: 21,920,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,980,274.80 : 64,470,412.20 = 14,613,426.80 : x
  2. Step 2: Convert to fraction form
    42,980,274.80/64,470,412.20 = 14,613,426.80/x
  3. Step 3: Cross multiply
    42,980,274.80x = 64,470,412.20 × 14,613,426.80
  4. Step 4: Simplify right side
    42,980,274.80x = 942,133,649,450,527
  5. Step 5: Solve for x
    x = 942,133,649,450,527/42,980,274.80
  6. Step 6: Final answer
    x = 21,920,140.20

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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.