Home / 34,065,830.40-51,136,070.40-21,300,748.80

Finding the Fourth Proportional to 34,065,830.40, 51,136,070.40 and 21,300,748.80

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Solution

The fourth proportional to 34,065,830.40, 51,136,070.40 and 21,300,748.80 is: 31,974,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065,830.40 : 51,136,070.40 = 21,300,748.80 : x
  2. Step 2: Convert to fraction form
    34,065,830.40/51,136,070.40 = 21,300,748.80/x
  3. Step 3: Cross multiply
    34,065,830.40x = 51,136,070.40 × 21,300,748.80
  4. Step 4: Simplify right side
    34,065,830.40x = 1,089,236,590,209,515.50
  5. Step 5: Solve for x
    x = 1,089,236,590,209,515.50/34,065,830.40
  6. Step 6: Final answer
    x = 31,974,461.72

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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.