Finding the Fourth Proportional to 28,547,567.06, 39,394,587.06 and 15,494,547.74
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Solution
The fourth proportional to 28,547,567.06, 39,394,587.06 and 15,494,547.74 is: 21,381,903.00
Step by Step Solution
- Step 1: Write the proportion equation
28,547,567.06 : 39,394,587.06 = 15,494,547.74 : x - Step 2: Convert to fraction form
28,547,567.06/39,394,587.06 = 15,494,547.74/x - Step 3: Cross multiply
28,547,567.06x = 39,394,587.06 × 15,494,547.74 - Step 4: Simplify right side
28,547,567.06x = 610,401,309,701,783.38 - Step 5: Solve for x
x = 610,401,309,701,783.38/28,547,567.06 - Step 6: Final answer
x = 21,381,903.00
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1.5x scale
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.