Finding the Fourth Proportional to 26,187,986.42, 36,140,547.57 and 14,585,555.06
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Solution
The fourth proportional to 26,187,986.42, 36,140,547.57 and 14,585,555.06 is: 20,128,693.29
Step by Step Solution
- Step 1: Write the proportion equation
26,187,986.42 : 36,140,547.57 = 14,585,555.06 : x - Step 2: Convert to fraction form
26,187,986.42/36,140,547.57 = 14,585,555.06/x - Step 3: Cross multiply
26,187,986.42x = 36,140,547.57 × 14,585,555.06 - Step 4: Simplify right side
26,187,986.42x = 527,129,946,480,784.25 - Step 5: Solve for x
x = 527,129,946,480,784.25/26,187,986.42 - Step 6: Final answer
x = 20,128,693.29
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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.