Home / 38,121,075.10-52,607,412.45-20,717,423.91

Finding the Fourth Proportional to 38,121,075.10, 52,607,412.45 and 20,717,423.91

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Solution

The fourth proportional to 38,121,075.10, 52,607,412.45 and 20,717,423.91 is: 28,590,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121,075.10 : 52,607,412.45 = 20,717,423.91 : x
  2. Step 2: Convert to fraction form
    38,121,075.10/52,607,412.45 = 20,717,423.91/x
  3. Step 3: Cross multiply
    38,121,075.10x = 52,607,412.45 × 20,717,423.91
  4. Step 4: Simplify right side
    38,121,075.10x = 1,089,890,064,534,861.75
  5. Step 5: Solve for x
    x = 1,089,890,064,534,861.75/38,121,075.10
  6. Step 6: Final answer
    x = 28,590,223.70

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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.