Home / 15,421,946.40-21,291,962.13-9,924,873.84

Finding the Fourth Proportional to 15,421,946.40, 21,291,962.13 and 9,924,873.84

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Solution

The fourth proportional to 15,421,946.40, 21,291,962.13 and 9,924,873.84 is: 13,702,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421,946.40 : 21,291,962.13 = 9,924,873.84 : x
  2. Step 2: Convert to fraction form
    15,421,946.40/21,291,962.13 = 9,924,873.84/x
  3. Step 3: Cross multiply
    15,421,946.40x = 21,291,962.13 × 9,924,873.84
  4. Step 4: Simplify right side
    15,421,946.40x = 211,320,037,946,307.66
  5. Step 5: Solve for x
    x = 211,320,037,946,307.66/15,421,946.40
  6. Step 6: Final answer
    x = 13,702,553.00

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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.