Finding the Fourth Proportional to 19,110,387.12, 26,374,937.50 and 11,272,113.52
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Solution
The fourth proportional to 19,110,387.12, 26,374,937.50 and 11,272,113.52 is: 15,557,052.18
Step by Step Solution
- Step 1: Write the proportion equation
19,110,387.12 : 26,374,937.50 = 11,272,113.52 : x - Step 2: Convert to fraction form
19,110,387.12/26,374,937.50 = 11,272,113.52/x - Step 3: Cross multiply
19,110,387.12x = 26,374,937.50 × 11,272,113.52 - Step 4: Simplify right side
19,110,387.12x = 297,301,289,582,905 - Step 5: Solve for x
x = 297,301,289,582,905/19,110,387.12 - Step 6: Final answer
x = 15,557,052.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.