Home / 21,260,001.40-31,890,002.10-14,877,460.60

Finding the Fourth Proportional to 21,260,001.40, 31,890,002.10 and 14,877,460.60

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Solution

The fourth proportional to 21,260,001.40, 31,890,002.10 and 14,877,460.60 is: 22,316,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260,001.40 : 31,890,002.10 = 14,877,460.60 : x
  2. Step 2: Convert to fraction form
    21,260,001.40/31,890,002.10 = 14,877,460.60/x
  3. Step 3: Cross multiply
    21,260,001.40x = 31,890,002.10 × 14,877,460.60
  4. Step 4: Simplify right side
    21,260,001.40x = 474,442,249,776,667.25
  5. Step 5: Solve for x
    x = 474,442,249,776,667.25/21,260,001.40
  6. Step 6: Final answer
    x = 22,316,190.90

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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.