Home / 39,533,786.51-54,518,297.98-30,828,782.93

Finding the Fourth Proportional to 39,533,786.51, 54,518,297.98 and 30,828,782.93

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Solution

The fourth proportional to 39,533,786.51, 54,518,297.98 and 30,828,782.93 is: 42,513,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533,786.51 : 54,518,297.98 = 30,828,782.93 : x
  2. Step 2: Convert to fraction form
    39,533,786.51/54,518,297.98 = 30,828,782.93/x
  3. Step 3: Cross multiply
    39,533,786.51x = 54,518,297.98 × 30,828,782.93
  4. Step 4: Simplify right side
    39,533,786.51x = 1,680,732,774,393,334
  5. Step 5: Solve for x
    x = 1,680,732,774,393,334/39,533,786.51
  6. Step 6: Final answer
    x = 42,513,832.41

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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.