Finding the Fourth Proportional to 26,648,645.36, 39,987,748.52 and 13,001,903.88
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Solution
The fourth proportional to 26,648,645.36, 39,987,748.52 and 13,001,903.88 is: 19,510,067.23
Step by Step Solution
- Step 1: Write the proportion equation
26,648,645.36 : 39,987,748.52 = 13,001,903.88 : x - Step 2: Convert to fraction form
26,648,645.36/39,987,748.52 = 13,001,903.88/x - Step 3: Cross multiply
26,648,645.36x = 39,987,748.52 × 13,001,903.88 - Step 4: Simplify right side
26,648,645.36x = 519,916,862,634,652.31 - Step 5: Solve for x
x = 519,916,862,634,652.31/26,648,645.36 - Step 6: Final answer
x = 19,510,067.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.