Finding the Fourth Proportional to 19,579,962.42, 26,986,145.55 and 14,341,842.09
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Solution
The fourth proportional to 19,579,962.42, 26,986,145.55 and 14,341,842.09 is: 19,766,689.53
Step by Step Solution
- Step 1: Write the proportion equation
19,579,962.42 : 26,986,145.55 = 14,341,842.09 : x - Step 2: Convert to fraction form
19,579,962.42/26,986,145.55 = 14,341,842.09/x - Step 3: Cross multiply
19,579,962.42x = 26,986,145.55 × 14,341,842.09 - Step 4: Simplify right side
19,579,962.42x = 387,031,038,095,856.19 - Step 5: Solve for x
x = 387,031,038,095,856.19/19,579,962.42 - Step 6: Final answer
x = 19,766,689.53
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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.