Home / 39,343,445.24-59,020,111.68-21,122,595.68

Finding the Fourth Proportional to 39,343,445.24, 59,020,111.68 and 21,122,595.68

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Solution

The fourth proportional to 39,343,445.24, 59,020,111.68 and 21,122,595.68 is: 31,686,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343,445.24 : 59,020,111.68 = 21,122,595.68 : x
  2. Step 2: Convert to fraction form
    39,343,445.24/59,020,111.68 = 21,122,595.68/x
  3. Step 3: Cross multiply
    39,343,445.24x = 59,020,111.68 × 21,122,595.68
  4. Step 4: Simplify right side
    39,343,445.24x = 1,246,657,956,005,085.50
  5. Step 5: Solve for x
    x = 1,246,657,956,005,085.50/39,343,445.24
  6. Step 6: Final answer
    x = 31,686,547.74

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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.