Home / 32,919,938.16-45,445,267.80-21,924,985.20

Finding the Fourth Proportional to 32,919,938.16, 45,445,267.80 and 21,924,985.20

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Solution

The fourth proportional to 32,919,938.16, 45,445,267.80 and 21,924,985.20 is: 30,266,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919,938.16 : 45,445,267.80 = 21,924,985.20 : x
  2. Step 2: Convert to fraction form
    32,919,938.16/45,445,267.80 = 21,924,985.20/x
  3. Step 3: Cross multiply
    32,919,938.16x = 45,445,267.80 × 21,924,985.20
  4. Step 4: Simplify right side
    32,919,938.16x = 996,386,823,925,036.50
  5. Step 5: Solve for x
    x = 996,386,823,925,036.50/32,919,938.16
  6. Step 6: Final answer
    x = 30,266,971.31

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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.