Finding the Fourth Proportional to 19,326,430.35, 26,668,888.52 and 11,377,711.08
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Solution
The fourth proportional to 19,326,430.35, 26,668,888.52 and 11,377,711.08 is: 15,700,307.96
Step by Step Solution
- Step 1: Write the proportion equation
19,326,430.35 : 26,668,888.52 = 11,377,711.08 : x - Step 2: Convert to fraction form
19,326,430.35/26,668,888.52 = 11,377,711.08/x - Step 3: Cross multiply
19,326,430.35x = 26,668,888.52 × 11,377,711.08 - Step 4: Simplify right side
19,326,430.35x = 303,430,908,348,400.25 - Step 5: Solve for x
x = 303,430,908,348,400.25/19,326,430.35 - Step 6: Final answer
x = 15,700,307.96
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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.