Home / 28,411,126.60-42,567,701.10-13,233,929.80

Finding the Fourth Proportional to 28,411,126.60, 42,567,701.10 and 13,233,929.80

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Solution

The fourth proportional to 28,411,126.60, 42,567,701.10 and 13,233,929.80 is: 19,828,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,126.60 : 42,567,701.10 = 13,233,929.80 : x
  2. Step 2: Convert to fraction form
    28,411,126.60/42,567,701.10 = 13,233,929.80/x
  3. Step 3: Cross multiply
    28,411,126.60x = 42,567,701.10 × 13,233,929.80
  4. Step 4: Simplify right side
    28,411,126.60x = 563,337,968,104,782.88
  5. Step 5: Solve for x
    x = 563,337,968,104,782.88/28,411,126.60
  6. Step 6: Final answer
    x = 19,828,075.67

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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.