Home / 30,468,263.81-42,046,199.42-17,415,802.98

Finding the Fourth Proportional to 30,468,263.81, 42,046,199.42 and 17,415,802.98

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Solution

The fourth proportional to 30,468,263.81, 42,046,199.42 and 17,415,802.98 is: 24,033,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,263.81 : 42,046,199.42 = 17,415,802.98 : x
  2. Step 2: Convert to fraction form
    30,468,263.81/42,046,199.42 = 17,415,802.98/x
  3. Step 3: Cross multiply
    30,468,263.81x = 42,046,199.42 × 17,415,802.98
  4. Step 4: Simplify right side
    30,468,263.81x = 732,268,325,069,431.25
  5. Step 5: Solve for x
    x = 732,268,325,069,431.25/30,468,263.81
  6. Step 6: Final answer
    x = 24,033,805.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.