Home / 29,276,094.80-40,415,287.56-19,492,331.60

Finding the Fourth Proportional to 29,276,094.80, 40,415,287.56 and 19,492,331.60

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Solution

The fourth proportional to 29,276,094.80, 40,415,287.56 and 19,492,331.60 is: 26,908,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276,094.80 : 40,415,287.56 = 19,492,331.60 : x
  2. Step 2: Convert to fraction form
    29,276,094.80/40,415,287.56 = 19,492,331.60/x
  3. Step 3: Cross multiply
    29,276,094.80x = 40,415,287.56 × 19,492,331.60
  4. Step 4: Simplify right side
    29,276,094.80x = 787,788,186,828,875
  5. Step 5: Solve for x
    x = 787,788,186,828,875/29,276,094.80
  6. Step 6: Final answer
    x = 26,908,923.21

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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.