Home / 21,713,730.93-29,963,779.50-12,421,485.03

Finding the Fourth Proportional to 21,713,730.93, 29,963,779.50 and 12,421,485.03

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Solution

The fourth proportional to 21,713,730.93, 29,963,779.50 and 12,421,485.03 is: 17,140,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713,730.93 : 29,963,779.50 = 12,421,485.03 : x
  2. Step 2: Convert to fraction form
    21,713,730.93/29,963,779.50 = 12,421,485.03/x
  3. Step 3: Cross multiply
    21,713,730.93x = 29,963,779.50 × 12,421,485.03
  4. Step 4: Simplify right side
    21,713,730.93x = 372,194,638,501,470.88
  5. Step 5: Solve for x
    x = 372,194,638,501,470.88/21,713,730.93
  6. Step 6: Final answer
    x = 17,140,980.50

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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.