Home / 10,502,547.68-15,752,421.60-2,928,879.20

Finding the Fourth Proportional to 10,502,547.68, 15,752,421.60 and 2,928,879.20

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Solution

The fourth proportional to 10,502,547.68, 15,752,421.60 and 2,928,879.20 is: 4,392,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,547.68 : 15,752,421.60 = 2,928,879.20 : x
  2. Step 2: Convert to fraction form
    10,502,547.68/15,752,421.60 = 2,928,879.20/x
  3. Step 3: Cross multiply
    10,502,547.68x = 15,752,421.60 × 2,928,879.20
  4. Step 4: Simplify right side
    10,502,547.68x = 46,136,939,973,870.72
  5. Step 5: Solve for x
    x = 46,136,939,973,870.72/10,502,547.68
  6. Step 6: Final answer
    x = 4,392,928.40

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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.