Finding the Fourth Proportional to 19,478,878.68, 26,881,643.84 and 10,776,909.57
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Solution
The fourth proportional to 19,478,878.68, 26,881,643.84 and 10,776,909.57 is: 14,872,572.98
Step by Step Solution
- Step 1: Write the proportion equation
19,478,878.68 : 26,881,643.84 = 10,776,909.57 : x - Step 2: Convert to fraction form
19,478,878.68/26,881,643.84 = 10,776,909.57/x - Step 3: Cross multiply
19,478,878.68x = 26,881,643.84 × 10,776,909.57 - Step 4: Simplify right side
19,478,878.68x = 289,701,044,702,743 - Step 5: Solve for x
x = 289,701,044,702,743/19,478,878.68 - Step 6: Final answer
x = 14,872,572.98
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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.