Home / 40,423,346.10-60,637,643.55-21,291,470.10

Finding the Fourth Proportional to 40,423,346.10, 60,637,643.55 and 21,291,470.10

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Solution

The fourth proportional to 40,423,346.10, 60,637,643.55 and 21,291,470.10 is: 31,938,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423,346.10 : 60,637,643.55 = 21,291,470.10 : x
  2. Step 2: Convert to fraction form
    40,423,346.10/60,637,643.55 = 21,291,470.10/x
  3. Step 3: Cross multiply
    40,423,346.10x = 60,637,643.55 × 21,291,470.10
  4. Step 4: Simplify right side
    40,423,346.10x = 1,291,064,574,579,283
  5. Step 5: Solve for x
    x = 1,291,064,574,579,283/40,423,346.10
  6. Step 6: Final answer
    x = 31,938,587.45

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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.